Home / 40,022.16-55,225.87-22,116.09

Finding the Fourth Proportional to 40,022.16, 55,225.87 and 22,116.09

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Solution

The fourth proportional to 40,022.16, 55,225.87 and 22,116.09 is: 30,517.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,022.16 : 55,225.87 = 22,116.09 : x
  2. Step 2: Convert to fraction form
    40,022.16/55,225.87 = 22,116.09/x
  3. Step 3: Cross multiply
    40,022.16x = 55,225.87 × 22,116.09
  4. Step 4: Simplify right side
    40,022.16x = 1,221,380,463.06
  5. Step 5: Solve for x
    x = 1,221,380,463.06/40,022.16
  6. Step 6: Final answer
    x = 30,517.61

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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.