Home / 40,300.38-55,613.79-22,395.06

Finding the Fourth Proportional to 40,300.38, 55,613.79 and 22,395.06

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Solution

The fourth proportional to 40,300.38, 55,613.79 and 22,395.06 is: 30,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,300.38 : 55,613.79 = 22,395.06 : x
  2. Step 2: Convert to fraction form
    40,300.38/55,613.79 = 22,395.06/x
  3. Step 3: Cross multiply
    40,300.38x = 55,613.79 × 22,395.06
  4. Step 4: Simplify right side
    40,300.38x = 1,245,474,163.88
  5. Step 5: Solve for x
    x = 1,245,474,163.88/40,300.38
  6. Step 6: Final answer
    x = 30,904.77

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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.