Home / 36,132.48-49,861.68-20,215.92

Finding the Fourth Proportional to 36,132.48, 49,861.68 and 20,215.92

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Solution

The fourth proportional to 36,132.48, 49,861.68 and 20,215.92 is: 27,897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,132.48 : 49,861.68 = 20,215.92 : x
  2. Step 2: Convert to fraction form
    36,132.48/49,861.68 = 20,215.92/x
  3. Step 3: Cross multiply
    36,132.48x = 49,861.68 × 20,215.92
  4. Step 4: Simplify right side
    36,132.48x = 1,007,999,733.95
  5. Step 5: Solve for x
    x = 1,007,999,733.95/36,132.48
  6. Step 6: Final answer
    x = 27,897.33

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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.