Home / 32,979.38-49,456.76-13,251.28

Finding the Fourth Proportional to 32,979.38, 49,456.76 and 13,251.28

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Solution

The fourth proportional to 32,979.38, 49,456.76 and 13,251.28 is: 19,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,979.38 : 49,456.76 = 13,251.28 : x
  2. Step 2: Convert to fraction form
    32,979.38/49,456.76 = 13,251.28/x
  3. Step 3: Cross multiply
    32,979.38x = 49,456.76 × 13,251.28
  4. Step 4: Simplify right side
    32,979.38x = 655,365,374.65
  5. Step 5: Solve for x
    x = 655,365,374.65/32,979.38
  6. Step 6: Final answer
    x = 19,871.97

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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.