Home / 37,938.78-56,908.20-10,236.78

Finding the Fourth Proportional to 37,938.78, 56,908.20 and 10,236.78

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Solution

The fourth proportional to 37,938.78, 56,908.20 and 10,236.78 is: 15,355.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,938.78 : 56,908.20 = 10,236.78 : x
  2. Step 2: Convert to fraction form
    37,938.78/56,908.20 = 10,236.78/x
  3. Step 3: Cross multiply
    37,938.78x = 56,908.20 × 10,236.78
  4. Step 4: Simplify right side
    37,938.78x = 582,556,723.60
  5. Step 5: Solve for x
    x = 582,556,723.60/37,938.78
  6. Step 6: Final answer
    x = 15,355.18

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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.