Home / 49,231.38-67,938.42-28,010.20

Finding the Fourth Proportional to 49,231.38, 67,938.42 and 28,010.20

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Solution

The fourth proportional to 49,231.38, 67,938.42 and 28,010.20 is: 38,653.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,231.38 : 67,938.42 = 28,010.20 : x
  2. Step 2: Convert to fraction form
    49,231.38/67,938.42 = 28,010.20/x
  3. Step 3: Cross multiply
    49,231.38x = 67,938.42 × 28,010.20
  4. Step 4: Simplify right side
    49,231.38x = 1,902,968,731.88
  5. Step 5: Solve for x
    x = 1,902,968,731.88/49,231.38
  6. Step 6: Final answer
    x = 38,653.57

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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.