Home / 37,990.38-57,002.26-20,216.84

Finding the Fourth Proportional to 37,990.38, 57,002.26 and 20,216.84

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Solution

The fourth proportional to 37,990.38, 57,002.26 and 20,216.84 is: 30,334.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,990.38 : 57,002.26 = 20,216.84 : x
  2. Step 2: Convert to fraction form
    37,990.38/57,002.26 = 20,216.84/x
  3. Step 3: Cross multiply
    37,990.38x = 57,002.26 × 20,216.84
  4. Step 4: Simplify right side
    37,990.38x = 1,152,405,570.06
  5. Step 5: Solve for x
    x = 1,152,405,570.06/37,990.38
  6. Step 6: Final answer
    x = 30,334.14

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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.