Home / 37,768.55-52,119.54-20,772.80

Finding the Fourth Proportional to 37,768.55, 52,119.54 and 20,772.80

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Solution

The fourth proportional to 37,768.55, 52,119.54 and 20,772.80 is: 28,665.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,768.55 : 52,119.54 = 20,772.80 : x
  2. Step 2: Convert to fraction form
    37,768.55/52,119.54 = 20,772.80/x
  3. Step 3: Cross multiply
    37,768.55x = 52,119.54 × 20,772.80
  4. Step 4: Simplify right side
    37,768.55x = 1,082,668,780.51
  5. Step 5: Solve for x
    x = 1,082,668,780.51/37,768.55
  6. Step 6: Final answer
    x = 28,665.88

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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.