Home / 57,229.39-85,856.39-19,282.43

Finding the Fourth Proportional to 57,229.39, 85,856.39 and 19,282.43

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Solution

The fourth proportional to 57,229.39, 85,856.39 and 19,282.43 is: 28,927.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,229.39 : 85,856.39 = 19,282.43 : x
  2. Step 2: Convert to fraction form
    57,229.39/85,856.39 = 19,282.43/x
  3. Step 3: Cross multiply
    57,229.39x = 85,856.39 × 19,282.43
  4. Step 4: Simplify right side
    57,229.39x = 1,655,519,799.63
  5. Step 5: Solve for x
    x = 1,655,519,799.63/57,229.39
  6. Step 6: Final answer
    x = 28,927.79

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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.