Home / 31,249.59-46,874.68-7,876.02

Finding the Fourth Proportional to 31,249.59, 46,874.68 and 7,876.02

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Solution

The fourth proportional to 31,249.59, 46,874.68 and 7,876.02 is: 11,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,249.59 : 46,874.68 = 7,876.02 : x
  2. Step 2: Convert to fraction form
    31,249.59/46,874.68 = 7,876.02/x
  3. Step 3: Cross multiply
    31,249.59x = 46,874.68 × 7,876.02
  4. Step 4: Simplify right side
    31,249.59x = 369,185,917.17
  5. Step 5: Solve for x
    x = 369,185,917.17/31,249.59
  6. Step 6: Final answer
    x = 11,814.10

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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.