Home / 19,934.43-29,901.48-5,142.07

Finding the Fourth Proportional to 19,934.43, 29,901.48 and 5,142.07

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Solution

The fourth proportional to 19,934.43, 29,901.48 and 5,142.07 is: 7,713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934.43 : 29,901.48 = 5,142.07 : x
  2. Step 2: Convert to fraction form
    19,934.43/29,901.48 = 5,142.07/x
  3. Step 3: Cross multiply
    19,934.43x = 29,901.48 × 5,142.07
  4. Step 4: Simplify right side
    19,934.43x = 153,755,503.26
  5. Step 5: Solve for x
    x = 153,755,503.26/19,934.43
  6. Step 6: Final answer
    x = 7,713.06

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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.