Home / 40,160.11-55,421.27-22,255.41

Finding the Fourth Proportional to 40,160.11, 55,421.27 and 22,255.41

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Solution

The fourth proportional to 40,160.11, 55,421.27 and 22,255.41 is: 30,712.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,160.11 : 55,421.27 = 22,255.41 : x
  2. Step 2: Convert to fraction form
    40,160.11/55,421.27 = 22,255.41/x
  3. Step 3: Cross multiply
    40,160.11x = 55,421.27 × 22,255.41
  4. Step 4: Simplify right side
    40,160.11x = 1,233,423,086.57
  5. Step 5: Solve for x
    x = 1,233,423,086.57/40,160.11
  6. Step 6: Final answer
    x = 30,712.64

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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.