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Finding the Fourth Proportional to 45,863.78, 68,795.26 and 14,699.03

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Solution

The fourth proportional to 45,863.78, 68,795.26 and 14,699.03 is: 22,048.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,863.78 : 68,795.26 = 14,699.03 : x
  2. Step 2: Convert to fraction form
    45,863.78/68,795.26 = 14,699.03/x
  3. Step 3: Cross multiply
    45,863.78x = 68,795.26 × 14,699.03
  4. Step 4: Simplify right side
    45,863.78x = 1,011,223,209.87
  5. Step 5: Solve for x
    x = 1,011,223,209.87/45,863.78
  6. Step 6: Final answer
    x = 22,048.41

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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.