Home / 43,910.10-65,711.55-40,223.70

Finding the Fourth Proportional to 43,910.10, 65,711.55 and 40,223.70

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Solution

The fourth proportional to 43,910.10, 65,711.55 and 40,223.70 is: 60,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,910.10 : 65,711.55 = 40,223.70 : x
  2. Step 2: Convert to fraction form
    43,910.10/65,711.55 = 40,223.70/x
  3. Step 3: Cross multiply
    43,910.10x = 65,711.55 × 40,223.70
  4. Step 4: Simplify right side
    43,910.10x = 2,643,161,673.74
  5. Step 5: Solve for x
    x = 2,643,161,673.74/43,910.10
  6. Step 6: Final answer
    x = 60,194.85

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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.