Home / 31,213.88-46,825.47-11,490.92

Finding the Fourth Proportional to 31,213.88, 46,825.47 and 11,490.92

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Solution

The fourth proportional to 31,213.88, 46,825.47 and 11,490.92 is: 17,238.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,213.88 : 46,825.47 = 11,490.92 : x
  2. Step 2: Convert to fraction form
    31,213.88/46,825.47 = 11,490.92/x
  3. Step 3: Cross multiply
    31,213.88x = 46,825.47 × 11,490.92
  4. Step 4: Simplify right side
    31,213.88x = 538,067,495.61
  5. Step 5: Solve for x
    x = 538,067,495.61/31,213.88
  6. Step 6: Final answer
    x = 17,238.09

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1.5x scale

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.