Home / 39,791.40-54,902.17-25,627.20

Finding the Fourth Proportional to 39,791.40, 54,902.17 and 25,627.20

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Solution

The fourth proportional to 39,791.40, 54,902.17 and 25,627.20 is: 35,359.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,791.40 : 54,902.17 = 25,627.20 : x
  2. Step 2: Convert to fraction form
    39,791.40/54,902.17 = 25,627.20/x
  3. Step 3: Cross multiply
    39,791.40x = 54,902.17 × 25,627.20
  4. Step 4: Simplify right side
    39,791.40x = 1,406,988,891.02
  5. Step 5: Solve for x
    x = 1,406,988,891.02/39,791.40
  6. Step 6: Final answer
    x = 35,359.12

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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.