Home / 36,103.38-49,823.55-20,188.86

Finding the Fourth Proportional to 36,103.38, 49,823.55 and 20,188.86

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Solution

The fourth proportional to 36,103.38, 49,823.55 and 20,188.86 is: 27,861.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,103.38 : 49,823.55 = 20,188.86 : x
  2. Step 2: Convert to fraction form
    36,103.38/49,823.55 = 20,188.86/x
  3. Step 3: Cross multiply
    36,103.38x = 49,823.55 × 20,188.86
  4. Step 4: Simplify right side
    36,103.38x = 1,005,880,675.65
  5. Step 5: Solve for x
    x = 1,005,880,675.65/36,103.38
  6. Step 6: Final answer
    x = 27,861.12

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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.