Home / 40,049.79-55,263.83-22,142.31

Finding the Fourth Proportional to 40,049.79, 55,263.83 and 22,142.31

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Solution

The fourth proportional to 40,049.79, 55,263.83 and 22,142.31 is: 30,553.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,049.79 : 55,263.83 = 22,142.31 : x
  2. Step 2: Convert to fraction form
    40,049.79/55,263.83 = 22,142.31/x
  3. Step 3: Cross multiply
    40,049.79x = 55,263.83 × 22,142.31
  4. Step 4: Simplify right side
    40,049.79x = 1,223,668,855.65
  5. Step 5: Solve for x
    x = 1,223,668,855.65/40,049.79
  6. Step 6: Final answer
    x = 30,553.69

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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.