Home / 54,610.88-81,916.18-31,220.91

Finding the Fourth Proportional to 54,610.88, 81,916.18 and 31,220.91

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Solution

The fourth proportional to 54,610.88, 81,916.18 and 31,220.91 is: 46,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,610.88 : 81,916.18 = 31,220.91 : x
  2. Step 2: Convert to fraction form
    54,610.88/81,916.18 = 31,220.91/x
  3. Step 3: Cross multiply
    54,610.88x = 81,916.18 × 31,220.91
  4. Step 4: Simplify right side
    54,610.88x = 2,557,497,605.27
  5. Step 5: Solve for x
    x = 2,557,497,605.27/54,610.88
  6. Step 6: Final answer
    x = 46,831.29

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Similar ratio
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1.5x scale

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.