Home / 54,738.28-82,139.32-23,146.46

Finding the Fourth Proportional to 54,738.28, 82,139.32 and 23,146.46

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Solution

The fourth proportional to 54,738.28, 82,139.32 and 23,146.46 is: 34,733.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,738.28 : 82,139.32 = 23,146.46 : x
  2. Step 2: Convert to fraction form
    54,738.28/82,139.32 = 23,146.46/x
  3. Step 3: Cross multiply
    54,738.28x = 82,139.32 × 23,146.46
  4. Step 4: Simplify right side
    54,738.28x = 1,901,234,280.87
  5. Step 5: Solve for x
    x = 1,901,234,280.87/54,738.28
  6. Step 6: Final answer
    x = 34,733.17

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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.