Home / 47,909.27-71,872.55-19,814.06

Finding the Fourth Proportional to 47,909.27, 71,872.55 and 19,814.06

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Solution

The fourth proportional to 47,909.27, 71,872.55 and 19,814.06 is: 29,724.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,909.27 : 71,872.55 = 19,814.06 : x
  2. Step 2: Convert to fraction form
    47,909.27/71,872.55 = 19,814.06/x
  3. Step 3: Cross multiply
    47,909.27x = 71,872.55 × 19,814.06
  4. Step 4: Simplify right side
    47,909.27x = 1,424,086,559.62
  5. Step 5: Solve for x
    x = 1,424,086,559.62/47,909.27
  6. Step 6: Final answer
    x = 29,724.66

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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.