Home / 43,901.01-65,827.92-13,909.75

Finding the Fourth Proportional to 43,901.01, 65,827.92 and 13,909.75

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Solution

The fourth proportional to 43,901.01, 65,827.92 and 13,909.75 is: 20,857.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,901.01 : 65,827.92 = 13,909.75 : x
  2. Step 2: Convert to fraction form
    43,901.01/65,827.92 = 13,909.75/x
  3. Step 3: Cross multiply
    43,901.01x = 65,827.92 × 13,909.75
  4. Step 4: Simplify right side
    43,901.01x = 915,649,910.22
  5. Step 5: Solve for x
    x = 915,649,910.22/43,901.01
  6. Step 6: Final answer
    x = 20,857.15

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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.