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Finding the Fourth Proportional to 54,932.40, 82,398.60 and 41,810.40

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Solution

The fourth proportional to 54,932.40, 82,398.60 and 41,810.40 is: 62,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,932.40 : 82,398.60 = 41,810.40 : x
  2. Step 2: Convert to fraction form
    54,932.40/82,398.60 = 41,810.40/x
  3. Step 3: Cross multiply
    54,932.40x = 82,398.60 × 41,810.40
  4. Step 4: Simplify right side
    54,932.40x = 3,445,118,425.44
  5. Step 5: Solve for x
    x = 3,445,118,425.44/54,932.40
  6. Step 6: Final answer
    x = 62,715.60

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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.