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Finding the Fourth Proportional to 44,524, 66,786 and 19,900

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Solution

The fourth proportional to 44,524, 66,786 and 19,900 is: 29,850

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,524 : 66,786 = 19,900 : x
  2. Step 2: Convert to fraction form
    44,524/66,786 = 19,900/x
  3. Step 3: Cross multiply
    44,524x = 66,786 × 19,900
  4. Step 4: Simplify right side
    44,524x = 1,329,041,400
  5. Step 5: Solve for x
    x = 1,329,041,400/44,524
  6. Step 6: Final answer
    x = 29,850

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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.