Home / 40,380.24-55,718.09-22,474.79

Finding the Fourth Proportional to 40,380.24, 55,718.09 and 22,474.79

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Solution

The fourth proportional to 40,380.24, 55,718.09 and 22,474.79 is: 31,011.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380.24 : 55,718.09 = 22,474.79 : x
  2. Step 2: Convert to fraction form
    40,380.24/55,718.09 = 22,474.79/x
  3. Step 3: Cross multiply
    40,380.24x = 55,718.09 × 22,474.79
  4. Step 4: Simplify right side
    40,380.24x = 1,252,252,400.63
  5. Step 5: Solve for x
    x = 1,252,252,400.63/40,380.24
  6. Step 6: Final answer
    x = 31,011.51

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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.