Home / 55,353.38-76,387.25-31,480.02

Finding the Fourth Proportional to 55,353.38, 76,387.25 and 31,480.02

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Solution

The fourth proportional to 55,353.38, 76,387.25 and 31,480.02 is: 43,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,353.38 : 76,387.25 = 31,480.02 : x
  2. Step 2: Convert to fraction form
    55,353.38/76,387.25 = 31,480.02/x
  3. Step 3: Cross multiply
    55,353.38x = 76,387.25 × 31,480.02
  4. Step 4: Simplify right side
    55,353.38x = 2,404,672,236.45
  5. Step 5: Solve for x
    x = 2,404,672,236.45/55,353.38
  6. Step 6: Final answer
    x = 43,442.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.