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Finding the Fourth Proportional to 45,703.70, 68,571.10 and 24,645.78

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Solution

The fourth proportional to 45,703.70, 68,571.10 and 24,645.78 is: 36,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,703.70 : 68,571.10 = 24,645.78 : x
  2. Step 2: Convert to fraction form
    45,703.70/68,571.10 = 24,645.78/x
  3. Step 3: Cross multiply
    45,703.70x = 68,571.10 × 24,645.78
  4. Step 4: Simplify right side
    45,703.70x = 1,689,988,244.96
  5. Step 5: Solve for x
    x = 1,689,988,244.96/45,703.70
  6. Step 6: Final answer
    x = 36,977.06

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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.