Home / 37,768.35-52,121.49-20,774.32

Finding the Fourth Proportional to 37,768.35, 52,121.49 and 20,774.32

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Solution

The fourth proportional to 37,768.35, 52,121.49 and 20,774.32 is: 28,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,768.35 : 52,121.49 = 20,774.32 : x
  2. Step 2: Convert to fraction form
    37,768.35/52,121.49 = 20,774.32/x
  3. Step 3: Cross multiply
    37,768.35x = 52,121.49 × 20,774.32
  4. Step 4: Simplify right side
    37,768.35x = 1,082,788,512.14
  5. Step 5: Solve for x
    x = 1,082,788,512.14/37,768.35
  6. Step 6: Final answer
    x = 28,669.20

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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.