Home / 76,229.78-114,356.79-23,628.38

Finding the Fourth Proportional to 76,229.78, 114,356.79 and 23,628.38

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Solution

The fourth proportional to 76,229.78, 114,356.79 and 23,628.38 is: 35,446.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,229.78 : 114,356.79 = 23,628.38 : x
  2. Step 2: Convert to fraction form
    76,229.78/114,356.79 = 23,628.38/x
  3. Step 3: Cross multiply
    76,229.78x = 114,356.79 × 23,628.38
  4. Step 4: Simplify right side
    76,229.78x = 2,702,065,689.70
  5. Step 5: Solve for x
    x = 2,702,065,689.70/76,229.78
  6. Step 6: Final answer
    x = 35,446.33

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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.