Home / 38,657.10-57,951.90-14,980.80

Finding the Fourth Proportional to 38,657.10, 57,951.90 and 14,980.80

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Solution

The fourth proportional to 38,657.10, 57,951.90 and 14,980.80 is: 22,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,657.10 : 57,951.90 = 14,980.80 : x
  2. Step 2: Convert to fraction form
    38,657.10/57,951.90 = 14,980.80/x
  3. Step 3: Cross multiply
    38,657.10x = 57,951.90 × 14,980.80
  4. Step 4: Simplify right side
    38,657.10x = 868,165,823.52
  5. Step 5: Solve for x
    x = 868,165,823.52/38,657.10
  6. Step 6: Final answer
    x = 22,458.12

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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.