Home / 45,845.70-68,768.55-19,553.10

Finding the Fourth Proportional to 45,845.70, 68,768.55 and 19,553.10

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Solution

The fourth proportional to 45,845.70, 68,768.55 and 19,553.10 is: 29,329.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,845.70 : 68,768.55 = 19,553.10 : x
  2. Step 2: Convert to fraction form
    45,845.70/68,768.55 = 19,553.10/x
  3. Step 3: Cross multiply
    45,845.70x = 68,768.55 × 19,553.10
  4. Step 4: Simplify right side
    45,845.70x = 1,344,638,335.01
  5. Step 5: Solve for x
    x = 1,344,638,335.01/45,845.70
  6. Step 6: Final answer
    x = 29,329.65

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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.