Home / 38,132.28-57,224.79-13,172.54

Finding the Fourth Proportional to 38,132.28, 57,224.79 and 13,172.54

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Solution

The fourth proportional to 38,132.28, 57,224.79 and 13,172.54 is: 19,767.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,132.28 : 57,224.79 = 13,172.54 : x
  2. Step 2: Convert to fraction form
    38,132.28/57,224.79 = 13,172.54/x
  3. Step 3: Cross multiply
    38,132.28x = 57,224.79 × 13,172.54
  4. Step 4: Simplify right side
    38,132.28x = 753,795,549.14
  5. Step 5: Solve for x
    x = 753,795,549.14/38,132.28
  6. Step 6: Final answer
    x = 19,767.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.