Home / 43,233.70-64,850.55-31,423.90

Finding the Fourth Proportional to 43,233.70, 64,850.55 and 31,423.90

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Solution

The fourth proportional to 43,233.70, 64,850.55 and 31,423.90 is: 47,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,233.70 : 64,850.55 = 31,423.90 : x
  2. Step 2: Convert to fraction form
    43,233.70/64,850.55 = 31,423.90/x
  3. Step 3: Cross multiply
    43,233.70x = 64,850.55 × 31,423.90
  4. Step 4: Simplify right side
    43,233.70x = 2,037,857,198.15
  5. Step 5: Solve for x
    x = 2,037,857,198.15/43,233.70
  6. Step 6: Final answer
    x = 47,135.85

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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.