Home / 43,909.56-65,844.90-31,545.72

Finding the Fourth Proportional to 43,909.56, 65,844.90 and 31,545.72

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Solution

The fourth proportional to 43,909.56, 65,844.90 and 31,545.72 is: 47,304.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,909.56 : 65,844.90 = 31,545.72 : x
  2. Step 2: Convert to fraction form
    43,909.56/65,844.90 = 31,545.72/x
  3. Step 3: Cross multiply
    43,909.56x = 65,844.90 × 31,545.72
  4. Step 4: Simplify right side
    43,909.56x = 2,077,124,778.83
  5. Step 5: Solve for x
    x = 2,077,124,778.83/43,909.56
  6. Step 6: Final answer
    x = 47,304.61

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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.