Home / 40,191.60-55,464.72-22,285.56

Finding the Fourth Proportional to 40,191.60, 55,464.72 and 22,285.56

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Solution

The fourth proportional to 40,191.60, 55,464.72 and 22,285.56 is: 30,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,191.60 : 55,464.72 = 22,285.56 : x
  2. Step 2: Convert to fraction form
    40,191.60/55,464.72 = 22,285.56/x
  3. Step 3: Cross multiply
    40,191.60x = 55,464.72 × 22,285.56
  4. Step 4: Simplify right side
    40,191.60x = 1,236,062,345.44
  5. Step 5: Solve for x
    x = 1,236,062,345.44/40,191.60
  6. Step 6: Final answer
    x = 30,754.25

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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.