Home / 40,173.64-55,438.72-22,268.48

Finding the Fourth Proportional to 40,173.64, 55,438.72 and 22,268.48

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Solution

The fourth proportional to 40,173.64, 55,438.72 and 22,268.48 is: 30,730.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,173.64 : 55,438.72 = 22,268.48 : x
  2. Step 2: Convert to fraction form
    40,173.64/55,438.72 = 22,268.48/x
  3. Step 3: Cross multiply
    40,173.64x = 55,438.72 × 22,268.48
  4. Step 4: Simplify right side
    40,173.64x = 1,234,536,110.47
  5. Step 5: Solve for x
    x = 1,234,536,110.47/40,173.64
  6. Step 6: Final answer
    x = 30,730.01

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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.