Home / 29,877.33-41,213.63-18,679.89

Finding the Fourth Proportional to 29,877.33, 41,213.63 and 18,679.89

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Solution

The fourth proportional to 29,877.33, 41,213.63 and 18,679.89 is: 25,767.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,877.33 : 41,213.63 = 18,679.89 : x
  2. Step 2: Convert to fraction form
    29,877.33/41,213.63 = 18,679.89/x
  3. Step 3: Cross multiply
    29,877.33x = 41,213.63 × 18,679.89
  4. Step 4: Simplify right side
    29,877.33x = 769,865,981.50
  5. Step 5: Solve for x
    x = 769,865,981.50/29,877.33
  6. Step 6: Final answer
    x = 25,767.56

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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.