Home / 36,121.92-49,854.69-21,784.29

Finding the Fourth Proportional to 36,121.92, 49,854.69 and 21,784.29

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Solution

The fourth proportional to 36,121.92, 49,854.69 and 21,784.29 is: 30,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121.92 : 49,854.69 = 21,784.29 : x
  2. Step 2: Convert to fraction form
    36,121.92/49,854.69 = 21,784.29/x
  3. Step 3: Cross multiply
    36,121.92x = 49,854.69 × 21,784.29
  4. Step 4: Simplify right side
    36,121.92x = 1,086,049,024.82
  5. Step 5: Solve for x
    x = 1,086,049,024.82/36,121.92
  6. Step 6: Final answer
    x = 30,066.20

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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.