Home / 47,438.55-71,135.96-14,149.98

Finding the Fourth Proportional to 47,438.55, 71,135.96 and 14,149.98

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Solution

The fourth proportional to 47,438.55, 71,135.96 and 14,149.98 is: 21,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,438.55 : 71,135.96 = 14,149.98 : x
  2. Step 2: Convert to fraction form
    47,438.55/71,135.96 = 14,149.98/x
  3. Step 3: Cross multiply
    47,438.55x = 71,135.96 × 14,149.98
  4. Step 4: Simplify right side
    47,438.55x = 1,006,572,340.53
  5. Step 5: Solve for x
    x = 1,006,572,340.53/47,438.55
  6. Step 6: Final answer
    x = 21,218.45

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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.