Home / 48,701.33-72,996.61-20,603.85

Finding the Fourth Proportional to 48,701.33, 72,996.61 and 20,603.85

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Solution

The fourth proportional to 48,701.33, 72,996.61 and 20,603.85 is: 30,882.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,701.33 : 72,996.61 = 20,603.85 : x
  2. Step 2: Convert to fraction form
    48,701.33/72,996.61 = 20,603.85/x
  3. Step 3: Cross multiply
    48,701.33x = 72,996.61 × 20,603.85
  4. Step 4: Simplify right side
    48,701.33x = 1,504,011,202.95
  5. Step 5: Solve for x
    x = 1,504,011,202.95/48,701.33
  6. Step 6: Final answer
    x = 30,882.34

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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.