Home / 39,963.10-55,149.09-22,058.11

Finding the Fourth Proportional to 39,963.10, 55,149.09 and 22,058.11

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Solution

The fourth proportional to 39,963.10, 55,149.09 and 22,058.11 is: 30,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,963.10 : 55,149.09 = 22,058.11 : x
  2. Step 2: Convert to fraction form
    39,963.10/55,149.09 = 22,058.11/x
  3. Step 3: Cross multiply
    39,963.10x = 55,149.09 × 22,058.11
  4. Step 4: Simplify right side
    39,963.10x = 1,216,484,783.24
  5. Step 5: Solve for x
    x = 1,216,484,783.24/39,963.10
  6. Step 6: Final answer
    x = 30,440.20

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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.