Home / 39,976.38-55,169.64-34,333.92

Finding the Fourth Proportional to 39,976.38, 55,169.64 and 34,333.92

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Solution

The fourth proportional to 39,976.38, 55,169.64 and 34,333.92 is: 47,382.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,976.38 : 55,169.64 = 34,333.92 : x
  2. Step 2: Convert to fraction form
    39,976.38/55,169.64 = 34,333.92/x
  3. Step 3: Cross multiply
    39,976.38x = 55,169.64 × 34,333.92
  4. Step 4: Simplify right side
    39,976.38x = 1,894,190,006.19
  5. Step 5: Solve for x
    x = 1,894,190,006.19/39,976.38
  6. Step 6: Final answer
    x = 47,382.73

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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.