Home / 29,155.88-43,733.66-12,505.12

Finding the Fourth Proportional to 29,155.88, 43,733.66 and 12,505.12

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Solution

The fourth proportional to 29,155.88, 43,733.66 and 12,505.12 is: 18,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,155.88 : 43,733.66 = 12,505.12 : x
  2. Step 2: Convert to fraction form
    29,155.88/43,733.66 = 12,505.12/x
  3. Step 3: Cross multiply
    29,155.88x = 43,733.66 × 12,505.12
  4. Step 4: Simplify right side
    29,155.88x = 546,894,494.48
  5. Step 5: Solve for x
    x = 546,894,494.48/29,155.88
  6. Step 6: Final answer
    x = 18,757.60

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1.5x scale

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.