Home / 37,448.75-51,679.38-20,453.13

Finding the Fourth Proportional to 37,448.75, 51,679.38 and 20,453.13

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Solution

The fourth proportional to 37,448.75, 51,679.38 and 20,453.13 is: 28,225.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,448.75 : 51,679.38 = 20,453.13 : x
  2. Step 2: Convert to fraction form
    37,448.75/51,679.38 = 20,453.13/x
  3. Step 3: Cross multiply
    37,448.75x = 51,679.38 × 20,453.13
  4. Step 4: Simplify right side
    37,448.75x = 1,057,005,077.46
  5. Step 5: Solve for x
    x = 1,057,005,077.46/37,448.75
  6. Step 6: Final answer
    x = 28,225.38

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Double scale
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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.