Home / 37,908.14-52,313.22-20,912.42

Finding the Fourth Proportional to 37,908.14, 52,313.22 and 20,912.42

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Solution

The fourth proportional to 37,908.14, 52,313.22 and 20,912.42 is: 28,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,908.14 : 52,313.22 = 20,912.42 : x
  2. Step 2: Convert to fraction form
    37,908.14/52,313.22 = 20,912.42/x
  3. Step 3: Cross multiply
    37,908.14x = 52,313.22 × 20,912.42
  4. Step 4: Simplify right side
    37,908.14x = 1,093,995,766.63
  5. Step 5: Solve for x
    x = 1,093,995,766.63/37,908.14
  6. Step 6: Final answer
    x = 28,859.13

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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.