Home / 40,019.81-55,226.57-22,114.43

Finding the Fourth Proportional to 40,019.81, 55,226.57 and 22,114.43

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Solution

The fourth proportional to 40,019.81, 55,226.57 and 22,114.43 is: 30,517.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,019.81 : 55,226.57 = 22,114.43 : x
  2. Step 2: Convert to fraction form
    40,019.81/55,226.57 = 22,114.43/x
  3. Step 3: Cross multiply
    40,019.81x = 55,226.57 × 22,114.43
  4. Step 4: Simplify right side
    40,019.81x = 1,221,304,116.41
  5. Step 5: Solve for x
    x = 1,221,304,116.41/40,019.81
  6. Step 6: Final answer
    x = 30,517.49

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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.