Home / 54,546.78-81,820.04-15,103.77

Finding the Fourth Proportional to 54,546.78, 81,820.04 and 15,103.77

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Solution

The fourth proportional to 54,546.78, 81,820.04 and 15,103.77 is: 22,655.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,546.78 : 81,820.04 = 15,103.77 : x
  2. Step 2: Convert to fraction form
    54,546.78/81,820.04 = 15,103.77/x
  3. Step 3: Cross multiply
    54,546.78x = 81,820.04 × 15,103.77
  4. Step 4: Simplify right side
    54,546.78x = 1,235,791,065.55
  5. Step 5: Solve for x
    x = 1,235,791,065.55/54,546.78
  6. Step 6: Final answer
    x = 22,655.62

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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.