Home / 37,770.36-52,122.06-20,774.64

Finding the Fourth Proportional to 37,770.36, 52,122.06 and 20,774.64

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Solution

The fourth proportional to 37,770.36, 52,122.06 and 20,774.64 is: 28,668.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,770.36 : 52,122.06 = 20,774.64 : x
  2. Step 2: Convert to fraction form
    37,770.36/52,122.06 = 20,774.64/x
  3. Step 3: Cross multiply
    37,770.36x = 52,122.06 × 20,774.64
  4. Step 4: Simplify right side
    37,770.36x = 1,082,817,032.56
  5. Step 5: Solve for x
    x = 1,082,817,032.56/37,770.36
  6. Step 6: Final answer
    x = 28,668.43

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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.