Home / 40,191.68-55,467.36-22,288.40

Finding the Fourth Proportional to 40,191.68, 55,467.36 and 22,288.40

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Solution

The fourth proportional to 40,191.68, 55,467.36 and 22,288.40 is: 30,759.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,191.68 : 55,467.36 = 22,288.40 : x
  2. Step 2: Convert to fraction form
    40,191.68/55,467.36 = 22,288.40/x
  3. Step 3: Cross multiply
    40,191.68x = 55,467.36 × 22,288.40
  4. Step 4: Simplify right side
    40,191.68x = 1,236,278,706.62
  5. Step 5: Solve for x
    x = 1,236,278,706.62/40,191.68
  6. Step 6: Final answer
    x = 30,759.57

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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.