Home / 37,765.55-52,117.07-20,770.55

Finding the Fourth Proportional to 37,765.55, 52,117.07 and 20,770.55

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Solution

The fourth proportional to 37,765.55, 52,117.07 and 20,770.55 is: 28,663.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,765.55 : 52,117.07 = 20,770.55 : x
  2. Step 2: Convert to fraction form
    37,765.55/52,117.07 = 20,770.55/x
  3. Step 3: Cross multiply
    37,765.55x = 52,117.07 × 20,770.55
  4. Step 4: Simplify right side
    37,765.55x = 1,082,500,104.44
  5. Step 5: Solve for x
    x = 1,082,500,104.44/37,765.55
  6. Step 6: Final answer
    x = 28,663.69

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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.