Home / 39,963.14-55,149.13-22,058.15

Finding the Fourth Proportional to 39,963.14, 55,149.13 and 22,058.15

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Solution

The fourth proportional to 39,963.14, 55,149.13 and 22,058.15 is: 30,440.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,963.14 : 55,149.13 = 22,058.15 : x
  2. Step 2: Convert to fraction form
    39,963.14/55,149.13 = 22,058.15/x
  3. Step 3: Cross multiply
    39,963.14x = 55,149.13 × 22,058.15
  4. Step 4: Simplify right side
    39,963.14x = 1,216,487,766.39
  5. Step 5: Solve for x
    x = 1,216,487,766.39/39,963.14
  6. Step 6: Final answer
    x = 30,440.25

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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.