Home / 54,722.46-82,069.08-15,272.64

Finding the Fourth Proportional to 54,722.46, 82,069.08 and 15,272.64

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Solution

The fourth proportional to 54,722.46, 82,069.08 and 15,272.64 is: 22,904.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,722.46 : 82,069.08 = 15,272.64 : x
  2. Step 2: Convert to fraction form
    54,722.46/82,069.08 = 15,272.64/x
  3. Step 3: Cross multiply
    54,722.46x = 82,069.08 × 15,272.64
  4. Step 4: Simplify right side
    54,722.46x = 1,253,411,513.97
  5. Step 5: Solve for x
    x = 1,253,411,513.97/54,722.46
  6. Step 6: Final answer
    x = 22,904.88

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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.