Home / 40,280.55-55,588.83-22,375.68

Finding the Fourth Proportional to 40,280.55, 55,588.83 and 22,375.68

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Solution

The fourth proportional to 40,280.55, 55,588.83 and 22,375.68 is: 30,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,280.55 : 55,588.83 = 22,375.68 : x
  2. Step 2: Convert to fraction form
    40,280.55/55,588.83 = 22,375.68/x
  3. Step 3: Cross multiply
    40,280.55x = 55,588.83 × 22,375.68
  4. Step 4: Simplify right side
    40,280.55x = 1,243,837,871.65
  5. Step 5: Solve for x
    x = 1,243,837,871.65/40,280.55
  6. Step 6: Final answer
    x = 30,879.37

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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.