Home / 37,516.76-51,765.95-21,383.75

Finding the Fourth Proportional to 37,516.76, 51,765.95 and 21,383.75

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Solution

The fourth proportional to 37,516.76, 51,765.95 and 21,383.75 is: 29,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,516.76 : 51,765.95 = 21,383.75 : x
  2. Step 2: Convert to fraction form
    37,516.76/51,765.95 = 21,383.75/x
  3. Step 3: Cross multiply
    37,516.76x = 51,765.95 × 21,383.75
  4. Step 4: Simplify right side
    37,516.76x = 1,106,949,767.56
  5. Step 5: Solve for x
    x = 1,106,949,767.56/37,516.76
  6. Step 6: Final answer
    x = 29,505.48

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Find fourth proportional to 18,758.38, 25,882.97 and 10,691.87
Half scale
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Double scale
Find fourth proportional to 37,517.76, 51,767.32 and 21,384.75
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.