Home / 48,040.95-72,069.10-20,343.03

Finding the Fourth Proportional to 48,040.95, 72,069.10 and 20,343.03

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Solution

The fourth proportional to 48,040.95, 72,069.10 and 20,343.03 is: 30,517.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,040.95 : 72,069.10 = 20,343.03 : x
  2. Step 2: Convert to fraction form
    48,040.95/72,069.10 = 20,343.03/x
  3. Step 3: Cross multiply
    48,040.95x = 72,069.10 × 20,343.03
  4. Step 4: Simplify right side
    48,040.95x = 1,466,103,452.17
  5. Step 5: Solve for x
    x = 1,466,103,452.17/48,040.95
  6. Step 6: Final answer
    x = 30,517.79

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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.