Home / 54,286.92-81,417.51-30,604.95

Finding the Fourth Proportional to 54,286.92, 81,417.51 and 30,604.95

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Solution

The fourth proportional to 54,286.92, 81,417.51 and 30,604.95 is: 45,900.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,286.92 : 81,417.51 = 30,604.95 : x
  2. Step 2: Convert to fraction form
    54,286.92/81,417.51 = 30,604.95/x
  3. Step 3: Cross multiply
    54,286.92x = 81,417.51 × 30,604.95
  4. Step 4: Simplify right side
    54,286.92x = 2,491,778,822.67
  5. Step 5: Solve for x
    x = 2,491,778,822.67/54,286.92
  6. Step 6: Final answer
    x = 45,900.17

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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.