Home / 36,886.92-50,902.20-20,969.61

Finding the Fourth Proportional to 36,886.92, 50,902.20 and 20,969.61

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Solution

The fourth proportional to 36,886.92, 50,902.20 and 20,969.61 is: 28,937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,886.92 : 50,902.20 = 20,969.61 : x
  2. Step 2: Convert to fraction form
    36,886.92/50,902.20 = 20,969.61/x
  3. Step 3: Cross multiply
    36,886.92x = 50,902.20 × 20,969.61
  4. Step 4: Simplify right side
    36,886.92x = 1,067,399,282.14
  5. Step 5: Solve for x
    x = 1,067,399,282.14/36,886.92
  6. Step 6: Final answer
    x = 28,937.07

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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.