Home / 38,544.32-57,790.96-21,912.18

Finding the Fourth Proportional to 38,544.32, 57,790.96 and 21,912.18

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Solution

The fourth proportional to 38,544.32, 57,790.96 and 21,912.18 is: 32,853.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,544.32 : 57,790.96 = 21,912.18 : x
  2. Step 2: Convert to fraction form
    38,544.32/57,790.96 = 21,912.18/x
  3. Step 3: Cross multiply
    38,544.32x = 57,790.96 × 21,912.18
  4. Step 4: Simplify right side
    38,544.32x = 1,266,325,917.89
  5. Step 5: Solve for x
    x = 1,266,325,917.89/38,544.32
  6. Step 6: Final answer
    x = 32,853.76

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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.