Home / 40,323.87-55,640.66-22,418.82

Finding the Fourth Proportional to 40,323.87, 55,640.66 and 22,418.82

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Solution

The fourth proportional to 40,323.87, 55,640.66 and 22,418.82 is: 30,934.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,323.87 : 55,640.66 = 22,418.82 : x
  2. Step 2: Convert to fraction form
    40,323.87/55,640.66 = 22,418.82/x
  3. Step 3: Cross multiply
    40,323.87x = 55,640.66 × 22,418.82
  4. Step 4: Simplify right side
    40,323.87x = 1,247,397,829.13
  5. Step 5: Solve for x
    x = 1,247,397,829.13/40,323.87
  6. Step 6: Final answer
    x = 30,934.48

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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.