Home / 40,049.35-55,265.89-22,143.28

Finding the Fourth Proportional to 40,049.35, 55,265.89 and 22,143.28

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Solution

The fourth proportional to 40,049.35, 55,265.89 and 22,143.28 is: 30,556.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,049.35 : 55,265.89 = 22,143.28 : x
  2. Step 2: Convert to fraction form
    40,049.35/55,265.89 = 22,143.28/x
  3. Step 3: Cross multiply
    40,049.35x = 55,265.89 × 22,143.28
  4. Step 4: Simplify right side
    40,049.35x = 1,223,768,076.72
  5. Step 5: Solve for x
    x = 1,223,768,076.72/40,049.35
  6. Step 6: Final answer
    x = 30,556.50

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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.