Home / 60,520.23-90,780.19-18,400.13

Finding the Fourth Proportional to 60,520.23, 90,780.19 and 18,400.13

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Solution

The fourth proportional to 60,520.23, 90,780.19 and 18,400.13 is: 27,600.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,520.23 : 90,780.19 = 18,400.13 : x
  2. Step 2: Convert to fraction form
    60,520.23/90,780.19 = 18,400.13/x
  3. Step 3: Cross multiply
    60,520.23x = 90,780.19 × 18,400.13
  4. Step 4: Simplify right side
    60,520.23x = 1,670,367,241.45
  5. Step 5: Solve for x
    x = 1,670,367,241.45/60,520.23
  6. Step 6: Final answer
    x = 27,600.15

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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.