Home / 40,379.92-60,565.62-10,800.74

Finding the Fourth Proportional to 40,379.92, 60,565.62 and 10,800.74

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Solution

The fourth proportional to 40,379.92, 60,565.62 and 10,800.74 is: 16,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,379.92 : 60,565.62 = 10,800.74 : x
  2. Step 2: Convert to fraction form
    40,379.92/60,565.62 = 10,800.74/x
  3. Step 3: Cross multiply
    40,379.92x = 60,565.62 × 10,800.74
  4. Step 4: Simplify right side
    40,379.92x = 654,153,514.56
  5. Step 5: Solve for x
    x = 654,153,514.56/40,379.92
  6. Step 6: Final answer
    x = 16,199.97

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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.