Home / 41,138.78-56,771.56-22,275.86

Finding the Fourth Proportional to 41,138.78, 56,771.56 and 22,275.86

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Solution

The fourth proportional to 41,138.78, 56,771.56 and 22,275.86 is: 30,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,138.78 : 56,771.56 = 22,275.86 : x
  2. Step 2: Convert to fraction form
    41,138.78/56,771.56 = 22,275.86/x
  3. Step 3: Cross multiply
    41,138.78x = 56,771.56 × 22,275.86
  4. Step 4: Simplify right side
    41,138.78x = 1,264,635,322.54
  5. Step 5: Solve for x
    x = 1,264,635,322.54/41,138.78
  6. Step 6: Final answer
    x = 30,740.71

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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.