Home / 54,920.56-82,286.79-29,978.11

Finding the Fourth Proportional to 54,920.56, 82,286.79 and 29,978.11

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Solution

The fourth proportional to 54,920.56, 82,286.79 and 29,978.11 is: 44,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,920.56 : 82,286.79 = 29,978.11 : x
  2. Step 2: Convert to fraction form
    54,920.56/82,286.79 = 29,978.11/x
  3. Step 3: Cross multiply
    54,920.56x = 82,286.79 × 29,978.11
  4. Step 4: Simplify right side
    54,920.56x = 2,466,802,442.17
  5. Step 5: Solve for x
    x = 2,466,802,442.17/54,920.56
  6. Step 6: Final answer
    x = 44,915.83

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1.5x scale

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.