Home / 40,173.74-55,439.75-22,268.69

Finding the Fourth Proportional to 40,173.74, 55,439.75 and 22,268.69

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Solution

The fourth proportional to 40,173.74, 55,439.75 and 22,268.69 is: 30,730.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,173.74 : 55,439.75 = 22,268.69 : x
  2. Step 2: Convert to fraction form
    40,173.74/55,439.75 = 22,268.69/x
  3. Step 3: Cross multiply
    40,173.74x = 55,439.75 × 22,268.69
  4. Step 4: Simplify right side
    40,173.74x = 1,234,570,606.43
  5. Step 5: Solve for x
    x = 1,234,570,606.43/40,173.74
  6. Step 6: Final answer
    x = 30,730.79

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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.