Home / 36,678.08-50,612.80-20,545.12

Finding the Fourth Proportional to 36,678.08, 50,612.80 and 20,545.12

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Solution

The fourth proportional to 36,678.08, 50,612.80 and 20,545.12 is: 28,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678.08 : 50,612.80 = 20,545.12 : x
  2. Step 2: Convert to fraction form
    36,678.08/50,612.80 = 20,545.12/x
  3. Step 3: Cross multiply
    36,678.08x = 50,612.80 × 20,545.12
  4. Step 4: Simplify right side
    36,678.08x = 1,039,846,049.54
  5. Step 5: Solve for x
    x = 1,039,846,049.54/36,678.08
  6. Step 6: Final answer
    x = 28,350.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.