Home / 40,327.64-55,652.80-22,179.08

Finding the Fourth Proportional to 40,327.64, 55,652.80 and 22,179.08

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Solution

The fourth proportional to 40,327.64, 55,652.80 and 22,179.08 is: 30,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,327.64 : 55,652.80 = 22,179.08 : x
  2. Step 2: Convert to fraction form
    40,327.64/55,652.80 = 22,179.08/x
  3. Step 3: Cross multiply
    40,327.64x = 55,652.80 × 22,179.08
  4. Step 4: Simplify right side
    40,327.64x = 1,234,327,903.42
  5. Step 5: Solve for x
    x = 1,234,327,903.42/40,327.64
  6. Step 6: Final answer
    x = 30,607.49

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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.