Home / 33,160.12-49,738.56-12,382

Finding the Fourth Proportional to 33,160.12, 49,738.56 and 12,382

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Solution

The fourth proportional to 33,160.12, 49,738.56 and 12,382 is: 18,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,160.12 : 49,738.56 = 12,382 : x
  2. Step 2: Convert to fraction form
    33,160.12/49,738.56 = 12,382/x
  3. Step 3: Cross multiply
    33,160.12x = 49,738.56 × 12,382
  4. Step 4: Simplify right side
    33,160.12x = 615,862,849.92
  5. Step 5: Solve for x
    x = 615,862,849.92/33,160.12
  6. Step 6: Final answer
    x = 18,572.40

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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.