Home / 38,586.38-53,251.78-21,592.12

Finding the Fourth Proportional to 38,586.38, 53,251.78 and 21,592.12

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Solution

The fourth proportional to 38,586.38, 53,251.78 and 21,592.12 is: 29,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,586.38 : 53,251.78 = 21,592.12 : x
  2. Step 2: Convert to fraction form
    38,586.38/53,251.78 = 21,592.12/x
  3. Step 3: Cross multiply
    38,586.38x = 53,251.78 × 21,592.12
  4. Step 4: Simplify right side
    38,586.38x = 1,149,818,823.97
  5. Step 5: Solve for x
    x = 1,149,818,823.97/38,586.38
  6. Step 6: Final answer
    x = 29,798.57

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Half scale
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Double scale
Find fourth proportional to 38,587.38, 53,253.16 and 21,593.12
Similar ratio
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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.