Home / 33,123.78-45,710.91-18,016.56

Finding the Fourth Proportional to 33,123.78, 45,710.91 and 18,016.56

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Solution

The fourth proportional to 33,123.78, 45,710.91 and 18,016.56 is: 24,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,123.78 : 45,710.91 = 18,016.56 : x
  2. Step 2: Convert to fraction form
    33,123.78/45,710.91 = 18,016.56/x
  3. Step 3: Cross multiply
    33,123.78x = 45,710.91 × 18,016.56
  4. Step 4: Simplify right side
    33,123.78x = 823,553,352.67
  5. Step 5: Solve for x
    x = 823,553,352.67/33,123.78
  6. Step 6: Final answer
    x = 24,862.90

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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.