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Finding the Fourth Proportional to 39,336, 59,015.52 and 11,634.72

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Solution

The fourth proportional to 39,336, 59,015.52 and 11,634.72 is: 17,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,336 : 59,015.52 = 11,634.72 : x
  2. Step 2: Convert to fraction form
    39,336/59,015.52 = 11,634.72/x
  3. Step 3: Cross multiply
    39,336x = 59,015.52 × 11,634.72
  4. Step 4: Simplify right side
    39,336x = 686,629,050.85
  5. Step 5: Solve for x
    x = 686,629,050.85/39,336
  6. Step 6: Final answer
    x = 17,455.49

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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.