Home / 54,390.35-81,617.83-29,429.85

Finding the Fourth Proportional to 54,390.35, 81,617.83 and 29,429.85

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Solution

The fourth proportional to 54,390.35, 81,617.83 and 29,429.85 is: 44,162.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,390.35 : 81,617.83 = 29,429.85 : x
  2. Step 2: Convert to fraction form
    54,390.35/81,617.83 = 29,429.85/x
  3. Step 3: Cross multiply
    54,390.35x = 81,617.83 × 29,429.85
  4. Step 4: Simplify right side
    54,390.35x = 2,402,000,726.72
  5. Step 5: Solve for x
    x = 2,402,000,726.72/54,390.35
  6. Step 6: Final answer
    x = 44,162.26

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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.