Home / 40,190.50-55,462.89-22,288.29

Finding the Fourth Proportional to 40,190.50, 55,462.89 and 22,288.29

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Solution

The fourth proportional to 40,190.50, 55,462.89 and 22,288.29 is: 30,757.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190.50 : 55,462.89 = 22,288.29 : x
  2. Step 2: Convert to fraction form
    40,190.50/55,462.89 = 22,288.29/x
  3. Step 3: Cross multiply
    40,190.50x = 55,462.89 × 22,288.29
  4. Step 4: Simplify right side
    40,190.50x = 1,236,172,976.56
  5. Step 5: Solve for x
    x = 1,236,172,976.56/40,190.50
  6. Step 6: Final answer
    x = 30,757.84

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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.