Home / 40,311.12-55,632.78-22,409.04

Finding the Fourth Proportional to 40,311.12, 55,632.78 and 22,409.04

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Solution

The fourth proportional to 40,311.12, 55,632.78 and 22,409.04 is: 30,926.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,311.12 : 55,632.78 = 22,409.04 : x
  2. Step 2: Convert to fraction form
    40,311.12/55,632.78 = 22,409.04/x
  3. Step 3: Cross multiply
    40,311.12x = 55,632.78 × 22,409.04
  4. Step 4: Simplify right side
    40,311.12x = 1,246,677,192.33
  5. Step 5: Solve for x
    x = 1,246,677,192.33/40,311.12
  6. Step 6: Final answer
    x = 30,926.38

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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.