Home / 31,114.92-46,679.30-8,926.59

Finding the Fourth Proportional to 31,114.92, 46,679.30 and 8,926.59

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Solution

The fourth proportional to 31,114.92, 46,679.30 and 8,926.59 is: 13,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,114.92 : 46,679.30 = 8,926.59 : x
  2. Step 2: Convert to fraction form
    31,114.92/46,679.30 = 8,926.59/x
  3. Step 3: Cross multiply
    31,114.92x = 46,679.30 × 8,926.59
  4. Step 4: Simplify right side
    31,114.92x = 416,686,927.95
  5. Step 5: Solve for x
    x = 416,686,927.95/31,114.92
  6. Step 6: Final answer
    x = 13,391.87

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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.