Home / 40,160.70-55,420.92-22,255.56

Finding the Fourth Proportional to 40,160.70, 55,420.92 and 22,255.56

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Solution

The fourth proportional to 40,160.70, 55,420.92 and 22,255.56 is: 30,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,160.70 : 55,420.92 = 22,255.56 : x
  2. Step 2: Convert to fraction form
    40,160.70/55,420.92 = 22,255.56/x
  3. Step 3: Cross multiply
    40,160.70x = 55,420.92 × 22,255.56
  4. Step 4: Simplify right side
    40,160.70x = 1,233,423,610.32
  5. Step 5: Solve for x
    x = 1,233,423,610.32/40,160.70
  6. Step 6: Final answer
    x = 30,712.20

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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.