Home / 47,854.43-71,781.65-12,793.17

Finding the Fourth Proportional to 47,854.43, 71,781.65 and 12,793.17

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Solution

The fourth proportional to 47,854.43, 71,781.65 and 12,793.17 is: 19,189.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,854.43 : 71,781.65 = 12,793.17 : x
  2. Step 2: Convert to fraction form
    47,854.43/71,781.65 = 12,793.17/x
  3. Step 3: Cross multiply
    47,854.43x = 71,781.65 × 12,793.17
  4. Step 4: Simplify right side
    47,854.43x = 918,315,056.55
  5. Step 5: Solve for x
    x = 918,315,056.55/47,854.43
  6. Step 6: Final answer
    x = 19,189.76

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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.