Home / 43,508.61-65,230.99-13,909.41

Finding the Fourth Proportional to 43,508.61, 65,230.99 and 13,909.41

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Solution

The fourth proportional to 43,508.61, 65,230.99 and 13,909.41 is: 20,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,508.61 : 65,230.99 = 13,909.41 : x
  2. Step 2: Convert to fraction form
    43,508.61/65,230.99 = 13,909.41/x
  3. Step 3: Cross multiply
    43,508.61x = 65,230.99 × 13,909.41
  4. Step 4: Simplify right side
    43,508.61x = 907,324,223.69
  5. Step 5: Solve for x
    x = 907,324,223.69/43,508.61
  6. Step 6: Final answer
    x = 20,853.90

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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.