Home / 37,763.13-52,113.11-20,767.68

Finding the Fourth Proportional to 37,763.13, 52,113.11 and 20,767.68

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Solution

The fourth proportional to 37,763.13, 52,113.11 and 20,767.68 is: 28,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,763.13 : 52,113.11 = 20,767.68 : x
  2. Step 2: Convert to fraction form
    37,763.13/52,113.11 = 20,767.68/x
  3. Step 3: Cross multiply
    37,763.13x = 52,113.11 × 20,767.68
  4. Step 4: Simplify right side
    37,763.13x = 1,082,268,183.64
  5. Step 5: Solve for x
    x = 1,082,268,183.64/37,763.13
  6. Step 6: Final answer
    x = 28,659.39

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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.