Home / 47,711.28-71,566.92-19,630.20

Finding the Fourth Proportional to 47,711.28, 71,566.92 and 19,630.20

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Solution

The fourth proportional to 47,711.28, 71,566.92 and 19,630.20 is: 29,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,711.28 : 71,566.92 = 19,630.20 : x
  2. Step 2: Convert to fraction form
    47,711.28/71,566.92 = 19,630.20/x
  3. Step 3: Cross multiply
    47,711.28x = 71,566.92 × 19,630.20
  4. Step 4: Simplify right side
    47,711.28x = 1,404,872,952.98
  5. Step 5: Solve for x
    x = 1,404,872,952.98/47,711.28
  6. Step 6: Final answer
    x = 29,445.30

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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.