Home / 40,375.82-55,718.08-22,470.83

Finding the Fourth Proportional to 40,375.82, 55,718.08 and 22,470.83

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Solution

The fourth proportional to 40,375.82, 55,718.08 and 22,470.83 is: 31,009.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,375.82 : 55,718.08 = 22,470.83 : x
  2. Step 2: Convert to fraction form
    40,375.82/55,718.08 = 22,470.83/x
  3. Step 3: Cross multiply
    40,375.82x = 55,718.08 × 22,470.83
  4. Step 4: Simplify right side
    40,375.82x = 1,252,031,550.93
  5. Step 5: Solve for x
    x = 1,252,031,550.93/40,375.82
  6. Step 6: Final answer
    x = 31,009.44

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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.