Home / 54,251.01-74,789.33-39,885.48

Finding the Fourth Proportional to 54,251.01, 74,789.33 and 39,885.48

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Solution

The fourth proportional to 54,251.01, 74,789.33 and 39,885.48 is: 54,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,251.01 : 74,789.33 = 39,885.48 : x
  2. Step 2: Convert to fraction form
    54,251.01/74,789.33 = 39,885.48/x
  3. Step 3: Cross multiply
    54,251.01x = 74,789.33 × 39,885.48
  4. Step 4: Simplify right side
    54,251.01x = 2,983,008,126.50
  5. Step 5: Solve for x
    x = 2,983,008,126.50/54,251.01
  6. Step 6: Final answer
    x = 54,985.30

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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.