Home / 54,379.86-81,473.18-22,720.18

Finding the Fourth Proportional to 54,379.86, 81,473.18 and 22,720.18

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Solution

The fourth proportional to 54,379.86, 81,473.18 and 22,720.18 is: 34,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,379.86 : 81,473.18 = 22,720.18 : x
  2. Step 2: Convert to fraction form
    54,379.86/81,473.18 = 22,720.18/x
  3. Step 3: Cross multiply
    54,379.86x = 81,473.18 × 22,720.18
  4. Step 4: Simplify right side
    54,379.86x = 1,851,085,150.25
  5. Step 5: Solve for x
    x = 1,851,085,150.25/54,379.86
  6. Step 6: Final answer
    x = 34,039.91

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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.