Home / 54,100.34-81,150.56-20,836.08

Finding the Fourth Proportional to 54,100.34, 81,150.56 and 20,836.08

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Solution

The fourth proportional to 54,100.34, 81,150.56 and 20,836.08 is: 31,254.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,100.34 : 81,150.56 = 20,836.08 : x
  2. Step 2: Convert to fraction form
    54,100.34/81,150.56 = 20,836.08/x
  3. Step 3: Cross multiply
    54,100.34x = 81,150.56 × 20,836.08
  4. Step 4: Simplify right side
    54,100.34x = 1,690,859,560.20
  5. Step 5: Solve for x
    x = 1,690,859,560.20/54,100.34
  6. Step 6: Final answer
    x = 31,254.14

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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.