Home / 39,964.11-55,149.43-22,058.73

Finding the Fourth Proportional to 39,964.11, 55,149.43 and 22,058.73

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Solution

The fourth proportional to 39,964.11, 55,149.43 and 22,058.73 is: 30,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,964.11 : 55,149.43 = 22,058.73 : x
  2. Step 2: Convert to fraction form
    39,964.11/55,149.43 = 22,058.73/x
  3. Step 3: Cross multiply
    39,964.11x = 55,149.43 × 22,058.73
  4. Step 4: Simplify right side
    39,964.11x = 1,216,526,330.88
  5. Step 5: Solve for x
    x = 1,216,526,330.88/39,964.11
  6. Step 6: Final answer
    x = 30,440.47

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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.