Home / 40,177.87-55,440.33-22,272.71

Finding the Fourth Proportional to 40,177.87, 55,440.33 and 22,272.71

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Solution

The fourth proportional to 40,177.87, 55,440.33 and 22,272.71 is: 30,733.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,177.87 : 55,440.33 = 22,272.71 : x
  2. Step 2: Convert to fraction form
    40,177.87/55,440.33 = 22,272.71/x
  3. Step 3: Cross multiply
    40,177.87x = 55,440.33 × 22,272.71
  4. Step 4: Simplify right side
    40,177.87x = 1,234,806,392.39
  5. Step 5: Solve for x
    x = 1,234,806,392.39/40,177.87
  6. Step 6: Final answer
    x = 30,733.50

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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.