Home / 54,141.60-81,209.52-17,202.72

Finding the Fourth Proportional to 54,141.60, 81,209.52 and 17,202.72

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Solution

The fourth proportional to 54,141.60, 81,209.52 and 17,202.72 is: 25,803.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,141.60 : 81,209.52 = 17,202.72 : x
  2. Step 2: Convert to fraction form
    54,141.60/81,209.52 = 17,202.72/x
  3. Step 3: Cross multiply
    54,141.60x = 81,209.52 × 17,202.72
  4. Step 4: Simplify right side
    54,141.60x = 1,397,024,633.89
  5. Step 5: Solve for x
    x = 1,397,024,633.89/54,141.60
  6. Step 6: Final answer
    x = 25,803.16

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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.