Home / 54,862.56-82,220.40-47,436.48

Finding the Fourth Proportional to 54,862.56, 82,220.40 and 47,436.48

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Solution

The fourth proportional to 54,862.56, 82,220.40 and 47,436.48 is: 71,091.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,862.56 : 82,220.40 = 47,436.48 : x
  2. Step 2: Convert to fraction form
    54,862.56/82,220.40 = 47,436.48/x
  3. Step 3: Cross multiply
    54,862.56x = 82,220.40 × 47,436.48
  4. Step 4: Simplify right side
    54,862.56x = 3,900,246,360.19
  5. Step 5: Solve for x
    x = 3,900,246,360.19/54,862.56
  6. Step 6: Final answer
    x = 71,091.22

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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.