Home / 39,003.80-58,511.77-12,702.42

Finding the Fourth Proportional to 39,003.80, 58,511.77 and 12,702.42

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Solution

The fourth proportional to 39,003.80, 58,511.77 and 12,702.42 is: 19,055.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,003.80 : 58,511.77 = 12,702.42 : x
  2. Step 2: Convert to fraction form
    39,003.80/58,511.77 = 12,702.42/x
  3. Step 3: Cross multiply
    39,003.80x = 58,511.77 × 12,702.42
  4. Step 4: Simplify right side
    39,003.80x = 743,241,045.73
  5. Step 5: Solve for x
    x = 743,241,045.73/39,003.80
  6. Step 6: Final answer
    x = 19,055.61

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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.