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Finding the Fourth Proportional to 44,423.52, 66,579.39 and 19,447.98

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Solution

The fourth proportional to 44,423.52, 66,579.39 and 19,447.98 is: 29,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,423.52 : 66,579.39 = 19,447.98 : x
  2. Step 2: Convert to fraction form
    44,423.52/66,579.39 = 19,447.98/x
  3. Step 3: Cross multiply
    44,423.52x = 66,579.39 × 19,447.98
  4. Step 4: Simplify right side
    44,423.52x = 1,294,834,645.13
  5. Step 5: Solve for x
    x = 1,294,834,645.13/44,423.52
  6. Step 6: Final answer
    x = 29,147.50

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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.