Home / 52,371.25-78,569.17-17,310.91

Finding the Fourth Proportional to 52,371.25, 78,569.17 and 17,310.91

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Solution

The fourth proportional to 52,371.25, 78,569.17 and 17,310.91 is: 25,970.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,371.25 : 78,569.17 = 17,310.91 : x
  2. Step 2: Convert to fraction form
    52,371.25/78,569.17 = 17,310.91/x
  3. Step 3: Cross multiply
    52,371.25x = 78,569.17 × 17,310.91
  4. Step 4: Simplify right side
    52,371.25x = 1,360,103,437.80
  5. Step 5: Solve for x
    x = 1,360,103,437.80/52,371.25
  6. Step 6: Final answer
    x = 25,970.42

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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.