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Finding the Fourth Proportional to 45,506, 68,289.73 and 15,924.09

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Solution

The fourth proportional to 45,506, 68,289.73 and 15,924.09 is: 23,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,506 : 68,289.73 = 15,924.09 : x
  2. Step 2: Convert to fraction form
    45,506/68,289.73 = 15,924.09/x
  3. Step 3: Cross multiply
    45,506x = 68,289.73 × 15,924.09
  4. Step 4: Simplify right side
    45,506x = 1,087,451,806.60
  5. Step 5: Solve for x
    x = 1,087,451,806.60/45,506
  6. Step 6: Final answer
    x = 23,896.89

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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.