Home / 52,451.95-78,689.13-16,915.29

Finding the Fourth Proportional to 52,451.95, 78,689.13 and 16,915.29

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Solution

The fourth proportional to 52,451.95, 78,689.13 and 16,915.29 is: 25,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,451.95 : 78,689.13 = 16,915.29 : x
  2. Step 2: Convert to fraction form
    52,451.95/78,689.13 = 16,915.29/x
  3. Step 3: Cross multiply
    52,451.95x = 78,689.13 × 16,915.29
  4. Step 4: Simplify right side
    52,451.95x = 1,331,049,453.80
  5. Step 5: Solve for x
    x = 1,331,049,453.80/52,451.95
  6. Step 6: Final answer
    x = 25,376.55

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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.