Home / 47,807.62-71,711.38-14,527.56

Finding the Fourth Proportional to 47,807.62, 71,711.38 and 14,527.56

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Solution

The fourth proportional to 47,807.62, 71,711.38 and 14,527.56 is: 21,791.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,807.62 : 71,711.38 = 14,527.56 : x
  2. Step 2: Convert to fraction form
    47,807.62/71,711.38 = 14,527.56/x
  3. Step 3: Cross multiply
    47,807.62x = 71,711.38 × 14,527.56
  4. Step 4: Simplify right side
    47,807.62x = 1,041,791,375.63
  5. Step 5: Solve for x
    x = 1,041,791,375.63/47,807.62
  6. Step 6: Final answer
    x = 21,791.32

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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.