Home / 40,017.28-55,224.44-22,112.70

Finding the Fourth Proportional to 40,017.28, 55,224.44 and 22,112.70

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Solution

The fourth proportional to 40,017.28, 55,224.44 and 22,112.70 is: 30,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,017.28 : 55,224.44 = 22,112.70 : x
  2. Step 2: Convert to fraction form
    40,017.28/55,224.44 = 22,112.70/x
  3. Step 3: Cross multiply
    40,017.28x = 55,224.44 × 22,112.70
  4. Step 4: Simplify right side
    40,017.28x = 1,221,161,474.39
  5. Step 5: Solve for x
    x = 1,221,161,474.39/40,017.28
  6. Step 6: Final answer
    x = 30,515.85

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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.