Home / 37,768.79-52,122.21-20,773.75

Finding the Fourth Proportional to 37,768.79, 52,122.21 and 20,773.75

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Solution

The fourth proportional to 37,768.79, 52,122.21 and 20,773.75 is: 28,668.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,768.79 : 52,122.21 = 20,773.75 : x
  2. Step 2: Convert to fraction form
    37,768.79/52,122.21 = 20,773.75/x
  3. Step 3: Cross multiply
    37,768.79x = 52,122.21 × 20,773.75
  4. Step 4: Simplify right side
    37,768.79x = 1,082,773,747.24
  5. Step 5: Solve for x
    x = 1,082,773,747.24/37,768.79
  6. Step 6: Final answer
    x = 28,668.48

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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.