Home / 54,111.26-81,185.34-29,153.87

Finding the Fourth Proportional to 54,111.26, 81,185.34 and 29,153.87

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Solution

The fourth proportional to 54,111.26, 81,185.34 and 29,153.87 is: 43,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,111.26 : 81,185.34 = 29,153.87 : x
  2. Step 2: Convert to fraction form
    54,111.26/81,185.34 = 29,153.87/x
  3. Step 3: Cross multiply
    54,111.26x = 81,185.34 × 29,153.87
  4. Step 4: Simplify right side
    54,111.26x = 2,366,866,442.34
  5. Step 5: Solve for x
    x = 2,366,866,442.34/54,111.26
  6. Step 6: Final answer
    x = 43,740.74

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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.