Home / 40,305.28-55,612.74-22,396.60

Finding the Fourth Proportional to 40,305.28, 55,612.74 and 22,396.60

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Solution

The fourth proportional to 40,305.28, 55,612.74 and 22,396.60 is: 30,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,305.28 : 55,612.74 = 22,396.60 : x
  2. Step 2: Convert to fraction form
    40,305.28/55,612.74 = 22,396.60/x
  3. Step 3: Cross multiply
    40,305.28x = 55,612.74 × 22,396.60
  4. Step 4: Simplify right side
    40,305.28x = 1,245,536,292.68
  5. Step 5: Solve for x
    x = 1,245,536,292.68/40,305.28
  6. Step 6: Final answer
    x = 30,902.56

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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.