Home / 40,173.57-55,433.70-22,268.57

Finding the Fourth Proportional to 40,173.57, 55,433.70 and 22,268.57

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Solution

The fourth proportional to 40,173.57, 55,433.70 and 22,268.57 is: 30,727.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,173.57 : 55,433.70 = 22,268.57 : x
  2. Step 2: Convert to fraction form
    40,173.57/55,433.70 = 22,268.57/x
  3. Step 3: Cross multiply
    40,173.57x = 55,433.70 × 22,268.57
  4. Step 4: Simplify right side
    40,173.57x = 1,234,428,951.64
  5. Step 5: Solve for x
    x = 1,234,428,951.64/40,173.57
  6. Step 6: Final answer
    x = 30,727.39

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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.