Home / 40,160.90-55,424.25-22,255.53

Finding the Fourth Proportional to 40,160.90, 55,424.25 and 22,255.53

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Solution

The fourth proportional to 40,160.90, 55,424.25 and 22,255.53 is: 30,713.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,160.90 : 55,424.25 = 22,255.53 : x
  2. Step 2: Convert to fraction form
    40,160.90/55,424.25 = 22,255.53/x
  3. Step 3: Cross multiply
    40,160.90x = 55,424.25 × 22,255.53
  4. Step 4: Simplify right side
    40,160.90x = 1,233,496,058.60
  5. Step 5: Solve for x
    x = 1,233,496,058.60/40,160.90
  6. Step 6: Final answer
    x = 30,713.86

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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.