Home / 36,103.28-49,816.10-20,187.86

Finding the Fourth Proportional to 36,103.28, 49,816.10 and 20,187.86

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Solution

The fourth proportional to 36,103.28, 49,816.10 and 20,187.86 is: 27,855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,103.28 : 49,816.10 = 20,187.86 : x
  2. Step 2: Convert to fraction form
    36,103.28/49,816.10 = 20,187.86/x
  3. Step 3: Cross multiply
    36,103.28x = 49,816.10 × 20,187.86
  4. Step 4: Simplify right side
    36,103.28x = 1,005,680,351.61
  5. Step 5: Solve for x
    x = 1,005,680,351.61/36,103.28
  6. Step 6: Final answer
    x = 27,855.65

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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.