Home / 29,945.20-44,917.80-9,168.70

Finding the Fourth Proportional to 29,945.20, 44,917.80 and 9,168.70

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Solution

The fourth proportional to 29,945.20, 44,917.80 and 9,168.70 is: 13,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,945.20 : 44,917.80 = 9,168.70 : x
  2. Step 2: Convert to fraction form
    29,945.20/44,917.80 = 9,168.70/x
  3. Step 3: Cross multiply
    29,945.20x = 44,917.80 × 9,168.70
  4. Step 4: Simplify right side
    29,945.20x = 411,837,832.86
  5. Step 5: Solve for x
    x = 411,837,832.86/29,945.20
  6. Step 6: Final answer
    x = 13,753.05

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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.