Home / 31,159.92-46,712.04-11,433.90

Finding the Fourth Proportional to 31,159.92, 46,712.04 and 11,433.90

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Solution

The fourth proportional to 31,159.92, 46,712.04 and 11,433.90 is: 17,140.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,159.92 : 46,712.04 = 11,433.90 : x
  2. Step 2: Convert to fraction form
    31,159.92/46,712.04 = 11,433.90/x
  3. Step 3: Cross multiply
    31,159.92x = 46,712.04 × 11,433.90
  4. Step 4: Simplify right side
    31,159.92x = 534,100,794.16
  5. Step 5: Solve for x
    x = 534,100,794.16/31,159.92
  6. Step 6: Final answer
    x = 17,140.63

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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.