Home / 40,144.85-55,403.30-22,245.47

Finding the Fourth Proportional to 40,144.85, 55,403.30 and 22,245.47

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Solution

The fourth proportional to 40,144.85, 55,403.30 and 22,245.47 is: 30,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,144.85 : 55,403.30 = 22,245.47 : x
  2. Step 2: Convert to fraction form
    40,144.85/55,403.30 = 22,245.47/x
  3. Step 3: Cross multiply
    40,144.85x = 55,403.30 × 22,245.47
  4. Step 4: Simplify right side
    40,144.85x = 1,232,472,336.82
  5. Step 5: Solve for x
    x = 1,232,472,336.82/40,144.85
  6. Step 6: Final answer
    x = 30,700.63

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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.