Home / 37,762.76-52,112.97-20,767.11

Finding the Fourth Proportional to 37,762.76, 52,112.97 and 20,767.11

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Solution

The fourth proportional to 37,762.76, 52,112.97 and 20,767.11 is: 28,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,762.76 : 52,112.97 = 20,767.11 : x
  2. Step 2: Convert to fraction form
    37,762.76/52,112.97 = 20,767.11/x
  3. Step 3: Cross multiply
    37,762.76x = 52,112.97 × 20,767.11
  4. Step 4: Simplify right side
    37,762.76x = 1,082,235,780.42
  5. Step 5: Solve for x
    x = 1,082,235,780.42/37,762.76
  6. Step 6: Final answer
    x = 28,658.81

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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.