Home / 31,072.08-42,589.11-29,949.87

Finding the Fourth Proportional to 31,072.08, 42,589.11 and 29,949.87

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Solution

The fourth proportional to 31,072.08, 42,589.11 and 29,949.87 is: 41,050.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,072.08 : 42,589.11 = 29,949.87 : x
  2. Step 2: Convert to fraction form
    31,072.08/42,589.11 = 29,949.87/x
  3. Step 3: Cross multiply
    31,072.08x = 42,589.11 × 29,949.87
  4. Step 4: Simplify right side
    31,072.08x = 1,275,538,307.92
  5. Step 5: Solve for x
    x = 1,275,538,307.92/31,072.08
  6. Step 6: Final answer
    x = 41,050.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.