Home / 49,411.20-74,121.60-16,129.92

Finding the Fourth Proportional to 49,411.20, 74,121.60 and 16,129.92

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Solution

The fourth proportional to 49,411.20, 74,121.60 and 16,129.92 is: 24,196.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,411.20 : 74,121.60 = 16,129.92 : x
  2. Step 2: Convert to fraction form
    49,411.20/74,121.60 = 16,129.92/x
  3. Step 3: Cross multiply
    49,411.20x = 74,121.60 × 16,129.92
  4. Step 4: Simplify right side
    49,411.20x = 1,195,575,478.27
  5. Step 5: Solve for x
    x = 1,195,575,478.27/49,411.20
  6. Step 6: Final answer
    x = 24,196.45

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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.