Home / 31,644.60-43,655.82-19,062.12

Finding the Fourth Proportional to 31,644.60, 43,655.82 and 19,062.12

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Solution

The fourth proportional to 31,644.60, 43,655.82 and 19,062.12 is: 26,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,644.60 : 43,655.82 = 19,062.12 : x
  2. Step 2: Convert to fraction form
    31,644.60/43,655.82 = 19,062.12/x
  3. Step 3: Cross multiply
    31,644.60x = 43,655.82 × 19,062.12
  4. Step 4: Simplify right side
    31,644.60x = 832,172,479.54
  5. Step 5: Solve for x
    x = 832,172,479.54/31,644.60
  6. Step 6: Final answer
    x = 26,297.46

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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.