Home / 31,862.25-43,942.14-22,297.32

Finding the Fourth Proportional to 31,862.25, 43,942.14 and 22,297.32

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Solution

The fourth proportional to 31,862.25, 43,942.14 and 22,297.32 is: 30,750.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,862.25 : 43,942.14 = 22,297.32 : x
  2. Step 2: Convert to fraction form
    31,862.25/43,942.14 = 22,297.32/x
  3. Step 3: Cross multiply
    31,862.25x = 43,942.14 × 22,297.32
  4. Step 4: Simplify right side
    31,862.25x = 979,791,957.06
  5. Step 5: Solve for x
    x = 979,791,957.06/31,862.25
  6. Step 6: Final answer
    x = 30,750.87

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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.