Home / 39,877.30-59,735.15-18,499.85

Finding the Fourth Proportional to 39,877.30, 59,735.15 and 18,499.85

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Solution

The fourth proportional to 39,877.30, 59,735.15 and 18,499.85 is: 27,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,877.30 : 59,735.15 = 18,499.85 : x
  2. Step 2: Convert to fraction form
    39,877.30/59,735.15 = 18,499.85/x
  3. Step 3: Cross multiply
    39,877.30x = 59,735.15 × 18,499.85
  4. Step 4: Simplify right side
    39,877.30x = 1,105,091,314.73
  5. Step 5: Solve for x
    x = 1,105,091,314.73/39,877.30
  6. Step 6: Final answer
    x = 27,712.29

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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.