Home / 47,715.20-71,585.76-14,433.92

Finding the Fourth Proportional to 47,715.20, 71,585.76 and 14,433.92

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Solution

The fourth proportional to 47,715.20, 71,585.76 and 14,433.92 is: 21,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,715.20 : 71,585.76 = 14,433.92 : x
  2. Step 2: Convert to fraction form
    47,715.20/71,585.76 = 14,433.92/x
  3. Step 3: Cross multiply
    47,715.20x = 71,585.76 × 14,433.92
  4. Step 4: Simplify right side
    47,715.20x = 1,033,263,132.98
  5. Step 5: Solve for x
    x = 1,033,263,132.98/47,715.20
  6. Step 6: Final answer
    x = 21,654.80

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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.