Home / 37,759.05-52,108.11-20,764.05

Finding the Fourth Proportional to 37,759.05, 52,108.11 and 20,764.05

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Solution

The fourth proportional to 37,759.05, 52,108.11 and 20,764.05 is: 28,654.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,759.05 : 52,108.11 = 20,764.05 : x
  2. Step 2: Convert to fraction form
    37,759.05/52,108.11 = 20,764.05/x
  3. Step 3: Cross multiply
    37,759.05x = 52,108.11 × 20,764.05
  4. Step 4: Simplify right side
    37,759.05x = 1,081,975,401.45
  5. Step 5: Solve for x
    x = 1,081,975,401.45/37,759.05
  6. Step 6: Final answer
    x = 28,654.73

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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.