Home / 60,734.96-91,105.22-18,612

Finding the Fourth Proportional to 60,734.96, 91,105.22 and 18,612

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Solution

The fourth proportional to 60,734.96, 91,105.22 and 18,612 is: 27,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,734.96 : 91,105.22 = 18,612 : x
  2. Step 2: Convert to fraction form
    60,734.96/91,105.22 = 18,612/x
  3. Step 3: Cross multiply
    60,734.96x = 91,105.22 × 18,612
  4. Step 4: Simplify right side
    60,734.96x = 1,695,650,354.64
  5. Step 5: Solve for x
    x = 1,695,650,354.64/60,734.96
  6. Step 6: Final answer
    x = 27,918.85

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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.