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Finding the Fourth Proportional to 52,018.73, 71,786.09 and 29,358.67

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Solution

The fourth proportional to 52,018.73, 71,786.09 and 29,358.67 is: 40,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,018.73 : 71,786.09 = 29,358.67 : x
  2. Step 2: Convert to fraction form
    52,018.73/71,786.09 = 29,358.67/x
  3. Step 3: Cross multiply
    52,018.73x = 71,786.09 × 29,358.67
  4. Step 4: Simplify right side
    52,018.73x = 2,107,544,306.37
  5. Step 5: Solve for x
    x = 2,107,544,306.37/52,018.73
  6. Step 6: Final answer
    x = 40,515.11

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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.