Home / 36,147.50-49,884.68-20,231.92

Finding the Fourth Proportional to 36,147.50, 49,884.68 and 20,231.92

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Solution

The fourth proportional to 36,147.50, 49,884.68 and 20,231.92 is: 27,920.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,147.50 : 49,884.68 = 20,231.92 : x
  2. Step 2: Convert to fraction form
    36,147.50/49,884.68 = 20,231.92/x
  3. Step 3: Cross multiply
    36,147.50x = 49,884.68 × 20,231.92
  4. Step 4: Simplify right side
    36,147.50x = 1,009,262,854.99
  5. Step 5: Solve for x
    x = 1,009,262,854.99/36,147.50
  6. Step 6: Final answer
    x = 27,920.68

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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.