Home / 37,729.50-52,063.62-21,814.90

Finding the Fourth Proportional to 37,729.50, 52,063.62 and 21,814.90

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Solution

The fourth proportional to 37,729.50, 52,063.62 and 21,814.90 is: 30,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,729.50 : 52,063.62 = 21,814.90 : x
  2. Step 2: Convert to fraction form
    37,729.50/52,063.62 = 21,814.90/x
  3. Step 3: Cross multiply
    37,729.50x = 52,063.62 × 21,814.90
  4. Step 4: Simplify right side
    37,729.50x = 1,135,762,663.94
  5. Step 5: Solve for x
    x = 1,135,762,663.94/37,729.50
  6. Step 6: Final answer
    x = 30,102.78

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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.