Home / 47,215.80-70,761.11-17,603.82

Finding the Fourth Proportional to 47,215.80, 70,761.11 and 17,603.82

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Solution

The fourth proportional to 47,215.80, 70,761.11 and 17,603.82 is: 26,382.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,215.80 : 70,761.11 = 17,603.82 : x
  2. Step 2: Convert to fraction form
    47,215.80/70,761.11 = 17,603.82/x
  3. Step 3: Cross multiply
    47,215.80x = 70,761.11 × 17,603.82
  4. Step 4: Simplify right side
    47,215.80x = 1,245,665,755.42
  5. Step 5: Solve for x
    x = 1,245,665,755.42/47,215.80
  6. Step 6: Final answer
    x = 26,382.39

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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.