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Finding the Fourth Proportional to 48,884, 73,326 and 17,719.28

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Solution

The fourth proportional to 48,884, 73,326 and 17,719.28 is: 26,578.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,884 : 73,326 = 17,719.28 : x
  2. Step 2: Convert to fraction form
    48,884/73,326 = 17,719.28/x
  3. Step 3: Cross multiply
    48,884x = 73,326 × 17,719.28
  4. Step 4: Simplify right side
    48,884x = 1,299,283,925.28
  5. Step 5: Solve for x
    x = 1,299,283,925.28/48,884
  6. Step 6: Final answer
    x = 26,578.92

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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.