Home / 31,789.46-43,869.48-17,642.32

Finding the Fourth Proportional to 31,789.46, 43,869.48 and 17,642.32

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Solution

The fourth proportional to 31,789.46, 43,869.48 and 17,642.32 is: 24,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,789.46 : 43,869.48 = 17,642.32 : x
  2. Step 2: Convert to fraction form
    31,789.46/43,869.48 = 17,642.32/x
  3. Step 3: Cross multiply
    31,789.46x = 43,869.48 × 17,642.32
  4. Step 4: Simplify right side
    31,789.46x = 773,959,404.39
  5. Step 5: Solve for x
    x = 773,959,404.39/31,789.46
  6. Step 6: Final answer
    x = 24,346.42

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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.