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Finding the Fourth Proportional to 39,339, 59,017.85 and 13,043.73

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Solution

The fourth proportional to 39,339, 59,017.85 and 13,043.73 is: 19,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,339 : 59,017.85 = 13,043.73 : x
  2. Step 2: Convert to fraction form
    39,339/59,017.85 = 13,043.73/x
  3. Step 3: Cross multiply
    39,339x = 59,017.85 × 13,043.73
  4. Step 4: Simplify right side
    39,339x = 769,813,105.59
  5. Step 5: Solve for x
    x = 769,813,105.59/39,339
  6. Step 6: Final answer
    x = 19,568.70

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1.5x scale

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.