Home / 31,238.51-43,064.30-22,270.44

Finding the Fourth Proportional to 31,238.51, 43,064.30 and 22,270.44

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Solution

The fourth proportional to 31,238.51, 43,064.30 and 22,270.44 is: 30,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,238.51 : 43,064.30 = 22,270.44 : x
  2. Step 2: Convert to fraction form
    31,238.51/43,064.30 = 22,270.44/x
  3. Step 3: Cross multiply
    31,238.51x = 43,064.30 × 22,270.44
  4. Step 4: Simplify right side
    31,238.51x = 959,060,974.54
  5. Step 5: Solve for x
    x = 959,060,974.54/31,238.51
  6. Step 6: Final answer
    x = 30,701.24

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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.