Home / 47,520.17-71,304.82-20,884.85

Finding the Fourth Proportional to 47,520.17, 71,304.82 and 20,884.85

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Solution

The fourth proportional to 47,520.17, 71,304.82 and 20,884.85 is: 31,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,520.17 : 71,304.82 = 20,884.85 : x
  2. Step 2: Convert to fraction form
    47,520.17/71,304.82 = 20,884.85/x
  3. Step 3: Cross multiply
    47,520.17x = 71,304.82 × 20,884.85
  4. Step 4: Simplify right side
    47,520.17x = 1,489,190,061.24
  5. Step 5: Solve for x
    x = 1,489,190,061.24/47,520.17
  6. Step 6: Final answer
    x = 31,338.07

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1.5x scale

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.