Home / 45,991.91-68,974.54-17,905.71

Finding the Fourth Proportional to 45,991.91, 68,974.54 and 17,905.71

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Solution

The fourth proportional to 45,991.91, 68,974.54 and 17,905.71 is: 26,853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,991.91 : 68,974.54 = 17,905.71 : x
  2. Step 2: Convert to fraction form
    45,991.91/68,974.54 = 17,905.71/x
  3. Step 3: Cross multiply
    45,991.91x = 68,974.54 × 17,905.71
  4. Step 4: Simplify right side
    45,991.91x = 1,235,037,765.75
  5. Step 5: Solve for x
    x = 1,235,037,765.75/45,991.91
  6. Step 6: Final answer
    x = 26,853.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.