Home / 37,850.45-56,722.14-20,990.92

Finding the Fourth Proportional to 37,850.45, 56,722.14 and 20,990.92

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Solution

The fourth proportional to 37,850.45, 56,722.14 and 20,990.92 is: 31,456.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,850.45 : 56,722.14 = 20,990.92 : x
  2. Step 2: Convert to fraction form
    37,850.45/56,722.14 = 20,990.92/x
  3. Step 3: Cross multiply
    37,850.45x = 56,722.14 × 20,990.92
  4. Step 4: Simplify right side
    37,850.45x = 1,190,649,902.97
  5. Step 5: Solve for x
    x = 1,190,649,902.97/37,850.45
  6. Step 6: Final answer
    x = 31,456.69

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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.