Home / 29,191.68-43,787.76-12,550.56

Finding the Fourth Proportional to 29,191.68, 43,787.76 and 12,550.56

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Solution

The fourth proportional to 29,191.68, 43,787.76 and 12,550.56 is: 18,825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,191.68 : 43,787.76 = 12,550.56 : x
  2. Step 2: Convert to fraction form
    29,191.68/43,787.76 = 12,550.56/x
  3. Step 3: Cross multiply
    29,191.68x = 43,787.76 × 12,550.56
  4. Step 4: Simplify right side
    29,191.68x = 549,560,909.15
  5. Step 5: Solve for x
    x = 549,560,909.15/29,191.68
  6. Step 6: Final answer
    x = 18,825.94

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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.