Home / 31,325.97-46,979.72-9,133.39

Finding the Fourth Proportional to 31,325.97, 46,979.72 and 9,133.39

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Solution

The fourth proportional to 31,325.97, 46,979.72 and 9,133.39 is: 13,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,325.97 : 46,979.72 = 9,133.39 : x
  2. Step 2: Convert to fraction form
    31,325.97/46,979.72 = 9,133.39/x
  3. Step 3: Cross multiply
    31,325.97x = 46,979.72 × 9,133.39
  4. Step 4: Simplify right side
    31,325.97x = 429,084,104.85
  5. Step 5: Solve for x
    x = 429,084,104.85/31,325.97
  6. Step 6: Final answer
    x = 13,697.39

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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.