Home / 37,257.92-55,764.70-20,365.05

Finding the Fourth Proportional to 37,257.92, 55,764.70 and 20,365.05

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Solution

The fourth proportional to 37,257.92, 55,764.70 and 20,365.05 is: 30,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,257.92 : 55,764.70 = 20,365.05 : x
  2. Step 2: Convert to fraction form
    37,257.92/55,764.70 = 20,365.05/x
  3. Step 3: Cross multiply
    37,257.92x = 55,764.70 × 20,365.05
  4. Step 4: Simplify right side
    37,257.92x = 1,135,651,061.94
  5. Step 5: Solve for x
    x = 1,135,651,061.94/37,257.92
  6. Step 6: Final answer
    x = 30,480.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.