Home / 54,543.11-81,816.28-15,103.13

Finding the Fourth Proportional to 54,543.11, 81,816.28 and 15,103.13

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Solution

The fourth proportional to 54,543.11, 81,816.28 and 15,103.13 is: 22,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,543.11 : 81,816.28 = 15,103.13 : x
  2. Step 2: Convert to fraction form
    54,543.11/81,816.28 = 15,103.13/x
  3. Step 3: Cross multiply
    54,543.11x = 81,816.28 × 15,103.13
  4. Step 4: Simplify right side
    54,543.11x = 1,235,681,466.12
  5. Step 5: Solve for x
    x = 1,235,681,466.12/54,543.11
  6. Step 6: Final answer
    x = 22,655.14

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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.