Home / 56,760.32-85,052.19-21,680.84

Finding the Fourth Proportional to 56,760.32, 85,052.19 and 21,680.84

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Solution

The fourth proportional to 56,760.32, 85,052.19 and 21,680.84 is: 32,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,760.32 : 85,052.19 = 21,680.84 : x
  2. Step 2: Convert to fraction form
    56,760.32/85,052.19 = 21,680.84/x
  3. Step 3: Cross multiply
    56,760.32x = 85,052.19 × 21,680.84
  4. Step 4: Simplify right side
    56,760.32x = 1,844,002,923.04
  5. Step 5: Solve for x
    x = 1,844,002,923.04/56,760.32
  6. Step 6: Final answer
    x = 32,487.54

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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.