Home / 33,146.60-49,739.10-12,372.20

Finding the Fourth Proportional to 33,146.60, 49,739.10 and 12,372.20

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Solution

The fourth proportional to 33,146.60, 49,739.10 and 12,372.20 is: 18,565.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,146.60 : 49,739.10 = 12,372.20 : x
  2. Step 2: Convert to fraction form
    33,146.60/49,739.10 = 12,372.20/x
  3. Step 3: Cross multiply
    33,146.60x = 49,739.10 × 12,372.20
  4. Step 4: Simplify right side
    33,146.60x = 615,382,093.02
  5. Step 5: Solve for x
    x = 615,382,093.02/33,146.60
  6. Step 6: Final answer
    x = 18,565.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.