Home / 39,434.82-54,420.10-25,287.66

Finding the Fourth Proportional to 39,434.82, 54,420.10 and 25,287.66

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Solution

The fourth proportional to 39,434.82, 54,420.10 and 25,287.66 is: 34,897.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,434.82 : 54,420.10 = 25,287.66 : x
  2. Step 2: Convert to fraction form
    39,434.82/54,420.10 = 25,287.66/x
  3. Step 3: Cross multiply
    39,434.82x = 54,420.10 × 25,287.66
  4. Step 4: Simplify right side
    39,434.82x = 1,376,156,985.97
  5. Step 5: Solve for x
    x = 1,376,156,985.97/39,434.82
  6. Step 6: Final answer
    x = 34,897.00

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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.