Home / 40,172.20-55,437.07-22,266.82

Finding the Fourth Proportional to 40,172.20, 55,437.07 and 22,266.82

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Solution

The fourth proportional to 40,172.20, 55,437.07 and 22,266.82 is: 30,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,172.20 : 55,437.07 = 22,266.82 : x
  2. Step 2: Convert to fraction form
    40,172.20/55,437.07 = 22,266.82/x
  3. Step 3: Cross multiply
    40,172.20x = 55,437.07 × 22,266.82
  4. Step 4: Simplify right side
    40,172.20x = 1,234,407,259.02
  5. Step 5: Solve for x
    x = 1,234,407,259.02/40,172.20
  6. Step 6: Final answer
    x = 30,727.90

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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.