Home / 37,105.20-51,204.42-20,338.20

Finding the Fourth Proportional to 37,105.20, 51,204.42 and 20,338.20

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Solution

The fourth proportional to 37,105.20, 51,204.42 and 20,338.20 is: 28,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,105.20 : 51,204.42 = 20,338.20 : x
  2. Step 2: Convert to fraction form
    37,105.20/51,204.42 = 20,338.20/x
  3. Step 3: Cross multiply
    37,105.20x = 51,204.42 × 20,338.20
  4. Step 4: Simplify right side
    37,105.20x = 1,041,405,734.84
  5. Step 5: Solve for x
    x = 1,041,405,734.84/37,105.20
  6. Step 6: Final answer
    x = 28,066.30

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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.