Home / 40,180.40-55,449.36-22,275.68

Finding the Fourth Proportional to 40,180.40, 55,449.36 and 22,275.68

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Solution

The fourth proportional to 40,180.40, 55,449.36 and 22,275.68 is: 30,740.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,180.40 : 55,449.36 = 22,275.68 : x
  2. Step 2: Convert to fraction form
    40,180.40/55,449.36 = 22,275.68/x
  3. Step 3: Cross multiply
    40,180.40x = 55,449.36 × 22,275.68
  4. Step 4: Simplify right side
    40,180.40x = 1,235,172,199.56
  5. Step 5: Solve for x
    x = 1,235,172,199.56/40,180.40
  6. Step 6: Final answer
    x = 30,740.66

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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.