Home / 40,177.86-55,440.32-22,272.70

Finding the Fourth Proportional to 40,177.86, 55,440.32 and 22,272.70

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Solution

The fourth proportional to 40,177.86, 55,440.32 and 22,272.70 is: 30,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,177.86 : 55,440.32 = 22,272.70 : x
  2. Step 2: Convert to fraction form
    40,177.86/55,440.32 = 22,272.70/x
  3. Step 3: Cross multiply
    40,177.86x = 55,440.32 × 22,272.70
  4. Step 4: Simplify right side
    40,177.86x = 1,234,805,615.26
  5. Step 5: Solve for x
    x = 1,234,805,615.26/40,177.86
  6. Step 6: Final answer
    x = 30,733.48

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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.