Home / 33,159.87-49,738.19-12,381.75

Finding the Fourth Proportional to 33,159.87, 49,738.19 and 12,381.75

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Solution

The fourth proportional to 33,159.87, 49,738.19 and 12,381.75 is: 18,572.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,159.87 : 49,738.19 = 12,381.75 : x
  2. Step 2: Convert to fraction form
    33,159.87/49,738.19 = 12,381.75/x
  3. Step 3: Cross multiply
    33,159.87x = 49,738.19 × 12,381.75
  4. Step 4: Simplify right side
    33,159.87x = 615,845,772.12
  5. Step 5: Solve for x
    x = 615,845,772.12/33,159.87
  6. Step 6: Final answer
    x = 18,572.02

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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.