Home / 56,912.28-85,377.58-21,376.27

Finding the Fourth Proportional to 56,912.28, 85,377.58 and 21,376.27

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Solution

The fourth proportional to 56,912.28, 85,377.58 and 21,376.27 is: 32,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,912.28 : 85,377.58 = 21,376.27 : x
  2. Step 2: Convert to fraction form
    56,912.28/85,377.58 = 21,376.27/x
  3. Step 3: Cross multiply
    56,912.28x = 85,377.58 × 21,376.27
  4. Step 4: Simplify right side
    56,912.28x = 1,825,054,202.03
  5. Step 5: Solve for x
    x = 1,825,054,202.03/56,912.28
  6. Step 6: Final answer
    x = 32,067.85

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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.