Home / 37,655.76-51,965.91-20,660.73

Finding the Fourth Proportional to 37,655.76, 51,965.91 and 20,660.73

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Solution

The fourth proportional to 37,655.76, 51,965.91 and 20,660.73 is: 28,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,655.76 : 51,965.91 = 20,660.73 : x
  2. Step 2: Convert to fraction form
    37,655.76/51,965.91 = 20,660.73/x
  3. Step 3: Cross multiply
    37,655.76x = 51,965.91 × 20,660.73
  4. Step 4: Simplify right side
    37,655.76x = 1,073,653,635.71
  5. Step 5: Solve for x
    x = 1,073,653,635.71/37,655.76
  6. Step 6: Final answer
    x = 28,512.33

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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.