Home / 31,216.14-43,079.43-17,789.49

Finding the Fourth Proportional to 31,216.14, 43,079.43 and 17,789.49

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Solution

The fourth proportional to 31,216.14, 43,079.43 and 17,789.49 is: 24,550.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,216.14 : 43,079.43 = 17,789.49 : x
  2. Step 2: Convert to fraction form
    31,216.14/43,079.43 = 17,789.49/x
  3. Step 3: Cross multiply
    31,216.14x = 43,079.43 × 17,789.49
  4. Step 4: Simplify right side
    31,216.14x = 766,361,089.19
  5. Step 5: Solve for x
    x = 766,361,089.19/31,216.14
  6. Step 6: Final answer
    x = 24,550.16

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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.