Home / 40,069.13-55,294.89-22,163.81

Finding the Fourth Proportional to 40,069.13, 55,294.89 and 22,163.81

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Solution

The fourth proportional to 40,069.13, 55,294.89 and 22,163.81 is: 30,585.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,069.13 : 55,294.89 = 22,163.81 : x
  2. Step 2: Convert to fraction form
    40,069.13/55,294.89 = 22,163.81/x
  3. Step 3: Cross multiply
    40,069.13x = 55,294.89 × 22,163.81
  4. Step 4: Simplify right side
    40,069.13x = 1,225,545,435.93
  5. Step 5: Solve for x
    x = 1,225,545,435.93/40,069.13
  6. Step 6: Final answer
    x = 30,585.78

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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.