Home / 32,979.69-45,512.13-17,872.38

Finding the Fourth Proportional to 32,979.69, 45,512.13 and 17,872.38

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Solution

The fourth proportional to 32,979.69, 45,512.13 and 17,872.38 is: 24,663.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,979.69 : 45,512.13 = 17,872.38 : x
  2. Step 2: Convert to fraction form
    32,979.69/45,512.13 = 17,872.38/x
  3. Step 3: Cross multiply
    32,979.69x = 45,512.13 × 17,872.38
  4. Step 4: Simplify right side
    32,979.69x = 813,410,081.97
  5. Step 5: Solve for x
    x = 813,410,081.97/32,979.69
  6. Step 6: Final answer
    x = 24,663.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.