Home / 60,500.86-90,760.97-21,069.18

Finding the Fourth Proportional to 60,500.86, 90,760.97 and 21,069.18

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Solution

The fourth proportional to 60,500.86, 90,760.97 and 21,069.18 is: 31,607.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,500.86 : 90,760.97 = 21,069.18 : x
  2. Step 2: Convert to fraction form
    60,500.86/90,760.97 = 21,069.18/x
  3. Step 3: Cross multiply
    60,500.86x = 90,760.97 × 21,069.18
  4. Step 4: Simplify right side
    60,500.86x = 1,912,259,213.90
  5. Step 5: Solve for x
    x = 1,912,259,213.90/60,500.86
  6. Step 6: Final answer
    x = 31,607.14

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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.