Home / 38,231.59-52,757.80-21,236.93

Finding the Fourth Proportional to 38,231.59, 52,757.80 and 21,236.93

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Solution

The fourth proportional to 38,231.59, 52,757.80 and 21,236.93 is: 29,305.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,231.59 : 52,757.80 = 21,236.93 : x
  2. Step 2: Convert to fraction form
    38,231.59/52,757.80 = 21,236.93/x
  3. Step 3: Cross multiply
    38,231.59x = 52,757.80 × 21,236.93
  4. Step 4: Simplify right side
    38,231.59x = 1,120,413,705.55
  5. Step 5: Solve for x
    x = 1,120,413,705.55/38,231.59
  6. Step 6: Final answer
    x = 29,305.97

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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.