Home / 40,231.84-55,520.08-22,327.20

Finding the Fourth Proportional to 40,231.84, 55,520.08 and 22,327.20

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Solution

The fourth proportional to 40,231.84, 55,520.08 and 22,327.20 is: 30,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,231.84 : 55,520.08 = 22,327.20 : x
  2. Step 2: Convert to fraction form
    40,231.84/55,520.08 = 22,327.20/x
  3. Step 3: Cross multiply
    40,231.84x = 55,520.08 × 22,327.20
  4. Step 4: Simplify right side
    40,231.84x = 1,239,607,930.18
  5. Step 5: Solve for x
    x = 1,239,607,930.18/40,231.84
  6. Step 6: Final answer
    x = 30,811.61

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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.