Home / 31,097.52-46,651.32-12,377.52

Finding the Fourth Proportional to 31,097.52, 46,651.32 and 12,377.52

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Solution

The fourth proportional to 31,097.52, 46,651.32 and 12,377.52 is: 18,568.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,097.52 : 46,651.32 = 12,377.52 : x
  2. Step 2: Convert to fraction form
    31,097.52/46,651.32 = 12,377.52/x
  3. Step 3: Cross multiply
    31,097.52x = 46,651.32 × 12,377.52
  4. Step 4: Simplify right side
    31,097.52x = 577,427,646.33
  5. Step 5: Solve for x
    x = 577,427,646.33/31,097.52
  6. Step 6: Final answer
    x = 18,568.29

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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.