Home / 40,721.92-56,194.89-22,571.88

Finding the Fourth Proportional to 40,721.92, 56,194.89 and 22,571.88

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Solution

The fourth proportional to 40,721.92, 56,194.89 and 22,571.88 is: 31,148.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,721.92 : 56,194.89 = 22,571.88 : x
  2. Step 2: Convert to fraction form
    40,721.92/56,194.89 = 22,571.88/x
  3. Step 3: Cross multiply
    40,721.92x = 56,194.89 × 22,571.88
  4. Step 4: Simplify right side
    40,721.92x = 1,268,424,313.69
  5. Step 5: Solve for x
    x = 1,268,424,313.69/40,721.92
  6. Step 6: Final answer
    x = 31,148.44

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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.