Home / 52,752.26-79,128.38-17,691.81

Finding the Fourth Proportional to 52,752.26, 79,128.38 and 17,691.81

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Solution

The fourth proportional to 52,752.26, 79,128.38 and 17,691.81 is: 26,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,752.26 : 79,128.38 = 17,691.81 : x
  2. Step 2: Convert to fraction form
    52,752.26/79,128.38 = 17,691.81/x
  3. Step 3: Cross multiply
    52,752.26x = 79,128.38 × 17,691.81
  4. Step 4: Simplify right side
    52,752.26x = 1,399,924,264.57
  5. Step 5: Solve for x
    x = 1,399,924,264.57/52,752.26
  6. Step 6: Final answer
    x = 26,537.71

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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.