Home / 54,345.20-81,517.80-41,223.20

Finding the Fourth Proportional to 54,345.20, 81,517.80 and 41,223.20

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Solution

The fourth proportional to 54,345.20, 81,517.80 and 41,223.20 is: 61,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,345.20 : 81,517.80 = 41,223.20 : x
  2. Step 2: Convert to fraction form
    54,345.20/81,517.80 = 41,223.20/x
  3. Step 3: Cross multiply
    54,345.20x = 81,517.80 × 41,223.20
  4. Step 4: Simplify right side
    54,345.20x = 3,360,424,572.96
  5. Step 5: Solve for x
    x = 3,360,424,572.96/54,345.20
  6. Step 6: Final answer
    x = 61,834.80

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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.