Home / 31,290.25-46,945.85-10,231.26

Finding the Fourth Proportional to 31,290.25, 46,945.85 and 10,231.26

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Solution

The fourth proportional to 31,290.25, 46,945.85 and 10,231.26 is: 15,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,290.25 : 46,945.85 = 10,231.26 : x
  2. Step 2: Convert to fraction form
    31,290.25/46,945.85 = 10,231.26/x
  3. Step 3: Cross multiply
    31,290.25x = 46,945.85 × 10,231.26
  4. Step 4: Simplify right side
    31,290.25x = 480,315,320.46
  5. Step 5: Solve for x
    x = 480,315,320.46/31,290.25
  6. Step 6: Final answer
    x = 15,350.32

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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.