Home / 39,870.82-59,690.38-23,179.96

Finding the Fourth Proportional to 39,870.82, 59,690.38 and 23,179.96

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Solution

The fourth proportional to 39,870.82, 59,690.38 and 23,179.96 is: 34,702.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,870.82 : 59,690.38 = 23,179.96 : x
  2. Step 2: Convert to fraction form
    39,870.82/59,690.38 = 23,179.96/x
  3. Step 3: Cross multiply
    39,870.82x = 59,690.38 × 23,179.96
  4. Step 4: Simplify right side
    39,870.82x = 1,383,620,620.78
  5. Step 5: Solve for x
    x = 1,383,620,620.78/39,870.82
  6. Step 6: Final answer
    x = 34,702.59

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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.