Home / 39,964.39-55,149.76-22,058.10

Finding the Fourth Proportional to 39,964.39, 55,149.76 and 22,058.10

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Solution

The fourth proportional to 39,964.39, 55,149.76 and 22,058.10 is: 30,439.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,964.39 : 55,149.76 = 22,058.10 : x
  2. Step 2: Convert to fraction form
    39,964.39/55,149.76 = 22,058.10/x
  3. Step 3: Cross multiply
    39,964.39x = 55,149.76 × 22,058.10
  4. Step 4: Simplify right side
    39,964.39x = 1,216,498,793.52
  5. Step 5: Solve for x
    x = 1,216,498,793.52/39,964.39
  6. Step 6: Final answer
    x = 30,439.57

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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.