Home / 54,352.16-81,551.71-29,409.78

Finding the Fourth Proportional to 54,352.16, 81,551.71 and 29,409.78

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Solution

The fourth proportional to 54,352.16, 81,551.71 and 29,409.78 is: 44,127.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,352.16 : 81,551.71 = 29,409.78 : x
  2. Step 2: Convert to fraction form
    54,352.16/81,551.71 = 29,409.78/x
  3. Step 3: Cross multiply
    54,352.16x = 81,551.71 × 29,409.78
  4. Step 4: Simplify right side
    54,352.16x = 2,398,418,192.30
  5. Step 5: Solve for x
    x = 2,398,418,192.30/54,352.16
  6. Step 6: Final answer
    x = 44,127.38

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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.