Home / 40,044.47-55,261.79-22,140.23

Finding the Fourth Proportional to 40,044.47, 55,261.79 and 22,140.23

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Solution

The fourth proportional to 40,044.47, 55,261.79 and 22,140.23 is: 30,553.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,044.47 : 55,261.79 = 22,140.23 : x
  2. Step 2: Convert to fraction form
    40,044.47/55,261.79 = 22,140.23/x
  3. Step 3: Cross multiply
    40,044.47x = 55,261.79 × 22,140.23
  4. Step 4: Simplify right side
    40,044.47x = 1,223,508,353.80
  5. Step 5: Solve for x
    x = 1,223,508,353.80/40,044.47
  6. Step 6: Final answer
    x = 30,553.74

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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.