Home / 37,770.75-52,124.78-20,774.12

Finding the Fourth Proportional to 37,770.75, 52,124.78 and 20,774.12

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Solution

The fourth proportional to 37,770.75, 52,124.78 and 20,774.12 is: 28,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,770.75 : 52,124.78 = 20,774.12 : x
  2. Step 2: Convert to fraction form
    37,770.75/52,124.78 = 20,774.12/x
  3. Step 3: Cross multiply
    37,770.75x = 52,124.78 × 20,774.12
  4. Step 4: Simplify right side
    37,770.75x = 1,082,846,226.00
  5. Step 5: Solve for x
    x = 1,082,846,226.00/37,770.75
  6. Step 6: Final answer
    x = 28,668.91

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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.