Home / 54,111.19-81,168.20-25,641.46

Finding the Fourth Proportional to 54,111.19, 81,168.20 and 25,641.46

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Solution

The fourth proportional to 54,111.19, 81,168.20 and 25,641.46 is: 38,462.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,111.19 : 81,168.20 = 25,641.46 : x
  2. Step 2: Convert to fraction form
    54,111.19/81,168.20 = 25,641.46/x
  3. Step 3: Cross multiply
    54,111.19x = 81,168.20 × 25,641.46
  4. Step 4: Simplify right side
    54,111.19x = 2,081,271,295.10
  5. Step 5: Solve for x
    x = 2,081,271,295.10/54,111.19
  6. Step 6: Final answer
    x = 38,462.86

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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.