Home / 33,158.46-49,738.20-18,460.78

Finding the Fourth Proportional to 33,158.46, 49,738.20 and 18,460.78

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Solution

The fourth proportional to 33,158.46, 49,738.20 and 18,460.78 is: 27,691.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,158.46 : 49,738.20 = 18,460.78 : x
  2. Step 2: Convert to fraction form
    33,158.46/49,738.20 = 18,460.78/x
  3. Step 3: Cross multiply
    33,158.46x = 49,738.20 × 18,460.78
  4. Step 4: Simplify right side
    33,158.46x = 918,205,967.80
  5. Step 5: Solve for x
    x = 918,205,967.80/33,158.46
  6. Step 6: Final answer
    x = 27,691.45

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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.