Home / 33,339.60-49,921.92-21,617.28

Finding the Fourth Proportional to 33,339.60, 49,921.92 and 21,617.28

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Solution

The fourth proportional to 33,339.60, 49,921.92 and 21,617.28 is: 32,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,339.60 : 49,921.92 = 21,617.28 : x
  2. Step 2: Convert to fraction form
    33,339.60/49,921.92 = 21,617.28/x
  3. Step 3: Cross multiply
    33,339.60x = 49,921.92 × 21,617.28
  4. Step 4: Simplify right side
    33,339.60x = 1,079,176,122.78
  5. Step 5: Solve for x
    x = 1,079,176,122.78/33,339.60
  6. Step 6: Final answer
    x = 32,369.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.