Home / 29,865.14-41,196.75-18,667.70

Finding the Fourth Proportional to 29,865.14, 41,196.75 and 18,667.70

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Solution

The fourth proportional to 29,865.14, 41,196.75 and 18,667.70 is: 25,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,865.14 : 41,196.75 = 18,667.70 : x
  2. Step 2: Convert to fraction form
    29,865.14/41,196.75 = 18,667.70/x
  3. Step 3: Cross multiply
    29,865.14x = 41,196.75 × 18,667.70
  4. Step 4: Simplify right side
    29,865.14x = 769,048,569.98
  5. Step 5: Solve for x
    x = 769,048,569.98/29,865.14
  6. Step 6: Final answer
    x = 25,750.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.