Home / 37,758.70-52,107.20-20,764.04

Finding the Fourth Proportional to 37,758.70, 52,107.20 and 20,764.04

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Solution

The fourth proportional to 37,758.70, 52,107.20 and 20,764.04 is: 28,654.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,758.70 : 52,107.20 = 20,764.04 : x
  2. Step 2: Convert to fraction form
    37,758.70/52,107.20 = 20,764.04/x
  3. Step 3: Cross multiply
    37,758.70x = 52,107.20 × 20,764.04
  4. Step 4: Simplify right side
    37,758.70x = 1,081,955,985.09
  5. Step 5: Solve for x
    x = 1,081,955,985.09/37,758.70
  6. Step 6: Final answer
    x = 28,654.48

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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.