Home / 47,614.98-71,436.42-21,313.86

Finding the Fourth Proportional to 47,614.98, 71,436.42 and 21,313.86

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Solution

The fourth proportional to 47,614.98, 71,436.42 and 21,313.86 is: 31,977.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,614.98 : 71,436.42 = 21,313.86 : x
  2. Step 2: Convert to fraction form
    47,614.98/71,436.42 = 21,313.86/x
  3. Step 3: Cross multiply
    47,614.98x = 71,436.42 × 21,313.86
  4. Step 4: Simplify right side
    47,614.98x = 1,522,585,854.78
  5. Step 5: Solve for x
    x = 1,522,585,854.78/47,614.98
  6. Step 6: Final answer
    x = 31,977.03

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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.