Home / 31,255.88-43,133.31-17,826.99

Finding the Fourth Proportional to 31,255.88, 43,133.31 and 17,826.99

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Solution

The fourth proportional to 31,255.88, 43,133.31 and 17,826.99 is: 24,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.88 : 43,133.31 = 17,826.99 : x
  2. Step 2: Convert to fraction form
    31,255.88/43,133.31 = 17,826.99/x
  3. Step 3: Cross multiply
    31,255.88x = 43,133.31 × 17,826.99
  4. Step 4: Simplify right side
    31,255.88x = 768,936,924.29
  5. Step 5: Solve for x
    x = 768,936,924.29/31,255.88
  6. Step 6: Final answer
    x = 24,601.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.