Home / 31,191.24-43,044.08-17,579.51

Finding the Fourth Proportional to 31,191.24, 43,044.08 and 17,579.51

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Solution

The fourth proportional to 31,191.24, 43,044.08 and 17,579.51 is: 24,259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191.24 : 43,044.08 = 17,579.51 : x
  2. Step 2: Convert to fraction form
    31,191.24/43,044.08 = 17,579.51/x
  3. Step 3: Cross multiply
    31,191.24x = 43,044.08 × 17,579.51
  4. Step 4: Simplify right side
    31,191.24x = 756,693,531.68
  5. Step 5: Solve for x
    x = 756,693,531.68/31,191.24
  6. Step 6: Final answer
    x = 24,259.81

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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.