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Finding the Fourth Proportional to 45,495, 68,244.84 and 14,332.68

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Solution

The fourth proportional to 45,495, 68,244.84 and 14,332.68 is: 21,499.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,495 : 68,244.84 = 14,332.68 : x
  2. Step 2: Convert to fraction form
    45,495/68,244.84 = 14,332.68/x
  3. Step 3: Cross multiply
    45,495x = 68,244.84 × 14,332.68
  4. Step 4: Simplify right side
    45,495x = 978,131,453.37
  5. Step 5: Solve for x
    x = 978,131,453.37/45,495
  6. Step 6: Final answer
    x = 21,499.76

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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.