Home / 54,349.10-81,414.30-36,634.40

Finding the Fourth Proportional to 54,349.10, 81,414.30 and 36,634.40

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Solution

The fourth proportional to 54,349.10, 81,414.30 and 36,634.40 is: 54,877.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,349.10 : 81,414.30 = 36,634.40 : x
  2. Step 2: Convert to fraction form
    54,349.10/81,414.30 = 36,634.40/x
  3. Step 3: Cross multiply
    54,349.10x = 81,414.30 × 36,634.40
  4. Step 4: Simplify right side
    54,349.10x = 2,982,564,031.92
  5. Step 5: Solve for x
    x = 2,982,564,031.92/54,349.10
  6. Step 6: Final answer
    x = 54,877.89

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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.