Home / 54,139.16-81,233-34,412.60

Finding the Fourth Proportional to 54,139.16, 81,233 and 34,412.60

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Solution

The fourth proportional to 54,139.16, 81,233 and 34,412.60 is: 51,634.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,139.16 : 81,233 = 34,412.60 : x
  2. Step 2: Convert to fraction form
    54,139.16/81,233 = 34,412.60/x
  3. Step 3: Cross multiply
    54,139.16x = 81,233 × 34,412.60
  4. Step 4: Simplify right side
    54,139.16x = 2,795,438,735.80
  5. Step 5: Solve for x
    x = 2,795,438,735.80/54,139.16
  6. Step 6: Final answer
    x = 51,634.32

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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.