Home / 31,789.74-43,875.09-17,647.14

Finding the Fourth Proportional to 31,789.74, 43,875.09 and 17,647.14

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Solution

The fourth proportional to 31,789.74, 43,875.09 and 17,647.14 is: 24,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,789.74 : 43,875.09 = 17,647.14 : x
  2. Step 2: Convert to fraction form
    31,789.74/43,875.09 = 17,647.14/x
  3. Step 3: Cross multiply
    31,789.74x = 43,875.09 × 17,647.14
  4. Step 4: Simplify right side
    31,789.74x = 774,269,855.74
  5. Step 5: Solve for x
    x = 774,269,855.74/31,789.74
  6. Step 6: Final answer
    x = 24,355.97

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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.