Home / 54,686.08-82,035.96-21,401.85

Finding the Fourth Proportional to 54,686.08, 82,035.96 and 21,401.85

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Solution

The fourth proportional to 54,686.08, 82,035.96 and 21,401.85 is: 32,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,686.08 : 82,035.96 = 21,401.85 : x
  2. Step 2: Convert to fraction form
    54,686.08/82,035.96 = 21,401.85/x
  3. Step 3: Cross multiply
    54,686.08x = 82,035.96 × 21,401.85
  4. Step 4: Simplify right side
    54,686.08x = 1,755,721,310.53
  5. Step 5: Solve for x
    x = 1,755,721,310.53/54,686.08
  6. Step 6: Final answer
    x = 32,105.45

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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.