Home / 60,299.24-90,385.04-20,280.12

Finding the Fourth Proportional to 60,299.24, 90,385.04 and 20,280.12

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Solution

The fourth proportional to 60,299.24, 90,385.04 and 20,280.12 is: 30,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,299.24 : 90,385.04 = 20,280.12 : x
  2. Step 2: Convert to fraction form
    60,299.24/90,385.04 = 20,280.12/x
  3. Step 3: Cross multiply
    60,299.24x = 90,385.04 × 20,280.12
  4. Step 4: Simplify right side
    60,299.24x = 1,833,019,620.54
  5. Step 5: Solve for x
    x = 1,833,019,620.54/60,299.24
  6. Step 6: Final answer
    x = 30,398.72

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1.5x scale

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.