Home / 37,660.26-51,972.12-20,665.23

Finding the Fourth Proportional to 37,660.26, 51,972.12 and 20,665.23

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Solution

The fourth proportional to 37,660.26, 51,972.12 and 20,665.23 is: 28,518.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,660.26 : 51,972.12 = 20,665.23 : x
  2. Step 2: Convert to fraction form
    37,660.26/51,972.12 = 20,665.23/x
  3. Step 3: Cross multiply
    37,660.26x = 51,972.12 × 20,665.23
  4. Step 4: Simplify right side
    37,660.26x = 1,074,015,813.39
  5. Step 5: Solve for x
    x = 1,074,015,813.39/37,660.26
  6. Step 6: Final answer
    x = 28,518.54

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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.