Home / 40,286.92-60,431.58-19,229.20

Finding the Fourth Proportional to 40,286.92, 60,431.58 and 19,229.20

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Solution

The fourth proportional to 40,286.92, 60,431.58 and 19,229.20 is: 28,844.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,286.92 : 60,431.58 = 19,229.20 : x
  2. Step 2: Convert to fraction form
    40,286.92/60,431.58 = 19,229.20/x
  3. Step 3: Cross multiply
    40,286.92x = 60,431.58 × 19,229.20
  4. Step 4: Simplify right side
    40,286.92x = 1,162,050,938.14
  5. Step 5: Solve for x
    x = 1,162,050,938.14/40,286.92
  6. Step 6: Final answer
    x = 28,844.37

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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.