Home / 40,323.12-55,639.62-22,418.07

Finding the Fourth Proportional to 40,323.12, 55,639.62 and 22,418.07

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Solution

The fourth proportional to 40,323.12, 55,639.62 and 22,418.07 is: 30,933.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,323.12 : 55,639.62 = 22,418.07 : x
  2. Step 2: Convert to fraction form
    40,323.12/55,639.62 = 22,418.07/x
  3. Step 3: Cross multiply
    40,323.12x = 55,639.62 × 22,418.07
  4. Step 4: Simplify right side
    40,323.12x = 1,247,332,895.93
  5. Step 5: Solve for x
    x = 1,247,332,895.93/40,323.12
  6. Step 6: Final answer
    x = 30,933.44

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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.