Home / 37,206.45-51,345.98-20,211.75

Finding the Fourth Proportional to 37,206.45, 51,345.98 and 20,211.75

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Solution

The fourth proportional to 37,206.45, 51,345.98 and 20,211.75 is: 27,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,206.45 : 51,345.98 = 20,211.75 : x
  2. Step 2: Convert to fraction form
    37,206.45/51,345.98 = 20,211.75/x
  3. Step 3: Cross multiply
    37,206.45x = 51,345.98 × 20,211.75
  4. Step 4: Simplify right side
    37,206.45x = 1,037,792,173.57
  5. Step 5: Solve for x
    x = 1,037,792,173.57/37,206.45
  6. Step 6: Final answer
    x = 27,892.80

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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.