Home / 53,239.50-79,841.97-17,691.28

Finding the Fourth Proportional to 53,239.50, 79,841.97 and 17,691.28

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Solution

The fourth proportional to 53,239.50, 79,841.97 and 17,691.28 is: 26,531.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,239.50 : 79,841.97 = 17,691.28 : x
  2. Step 2: Convert to fraction form
    53,239.50/79,841.97 = 17,691.28/x
  3. Step 3: Cross multiply
    53,239.50x = 79,841.97 × 17,691.28
  4. Step 4: Simplify right side
    53,239.50x = 1,412,506,447.42
  5. Step 5: Solve for x
    x = 1,412,506,447.42/53,239.50
  6. Step 6: Final answer
    x = 26,531.17

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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.