Home / 39,434.28-54,419.43-25,287.18

Finding the Fourth Proportional to 39,434.28, 54,419.43 and 25,287.18

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Solution

The fourth proportional to 39,434.28, 54,419.43 and 25,287.18 is: 34,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,434.28 : 54,419.43 = 25,287.18 : x
  2. Step 2: Convert to fraction form
    39,434.28/54,419.43 = 25,287.18/x
  3. Step 3: Cross multiply
    39,434.28x = 54,419.43 × 25,287.18
  4. Step 4: Simplify right side
    39,434.28x = 1,376,113,921.91
  5. Step 5: Solve for x
    x = 1,376,113,921.91/39,434.28
  6. Step 6: Final answer
    x = 34,896.39

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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.