Home / 33,135.28-49,695.18-21,253.12

Finding the Fourth Proportional to 33,135.28, 49,695.18 and 21,253.12

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Solution

The fourth proportional to 33,135.28, 49,695.18 and 21,253.12 is: 31,874.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,135.28 : 49,695.18 = 21,253.12 : x
  2. Step 2: Convert to fraction form
    33,135.28/49,695.18 = 21,253.12/x
  3. Step 3: Cross multiply
    33,135.28x = 49,695.18 × 21,253.12
  4. Step 4: Simplify right side
    33,135.28x = 1,056,177,623.96
  5. Step 5: Solve for x
    x = 1,056,177,623.96/33,135.28
  6. Step 6: Final answer
    x = 31,874.72

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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.