Home / 31,156.47-46,733.16-11,433.48

Finding the Fourth Proportional to 31,156.47, 46,733.16 and 11,433.48

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Solution

The fourth proportional to 31,156.47, 46,733.16 and 11,433.48 is: 17,149.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,156.47 : 46,733.16 = 11,433.48 : x
  2. Step 2: Convert to fraction form
    31,156.47/46,733.16 = 11,433.48/x
  3. Step 3: Cross multiply
    31,156.47x = 46,733.16 × 11,433.48
  4. Step 4: Simplify right side
    31,156.47x = 534,322,650.20
  5. Step 5: Solve for x
    x = 534,322,650.20/31,156.47
  6. Step 6: Final answer
    x = 17,149.65

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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.