Home / 47,723.20-71,614.05-19,656.70

Finding the Fourth Proportional to 47,723.20, 71,614.05 and 19,656.70

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Solution

The fourth proportional to 47,723.20, 71,614.05 and 19,656.70 is: 29,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,723.20 : 71,614.05 = 19,656.70 : x
  2. Step 2: Convert to fraction form
    47,723.20/71,614.05 = 19,656.70/x
  3. Step 3: Cross multiply
    47,723.20x = 71,614.05 × 19,656.70
  4. Step 4: Simplify right side
    47,723.20x = 1,407,695,896.64
  5. Step 5: Solve for x
    x = 1,407,695,896.64/47,723.20
  6. Step 6: Final answer
    x = 29,497.10

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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.