Home / 55,266.30-82,899.45-39,519.90

Finding the Fourth Proportional to 55,266.30, 82,899.45 and 39,519.90

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Solution

The fourth proportional to 55,266.30, 82,899.45 and 39,519.90 is: 59,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,266.30 : 82,899.45 = 39,519.90 : x
  2. Step 2: Convert to fraction form
    55,266.30/82,899.45 = 39,519.90/x
  3. Step 3: Cross multiply
    55,266.30x = 82,899.45 × 39,519.90
  4. Step 4: Simplify right side
    55,266.30x = 3,276,177,974.06
  5. Step 5: Solve for x
    x = 3,276,177,974.06/55,266.30
  6. Step 6: Final answer
    x = 59,279.85

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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.