Home / 45,581.94-68,347.27-31,367.12

Finding the Fourth Proportional to 45,581.94, 68,347.27 and 31,367.12

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Solution

The fourth proportional to 45,581.94, 68,347.27 and 31,367.12 is: 47,033.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,581.94 : 68,347.27 = 31,367.12 : x
  2. Step 2: Convert to fraction form
    45,581.94/68,347.27 = 31,367.12/x
  3. Step 3: Cross multiply
    45,581.94x = 68,347.27 × 31,367.12
  4. Step 4: Simplify right side
    45,581.94x = 2,143,857,205.70
  5. Step 5: Solve for x
    x = 2,143,857,205.70/45,581.94
  6. Step 6: Final answer
    x = 47,033.04

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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.