Home / 37,768.20-52,119.03-20,772.51

Finding the Fourth Proportional to 37,768.20, 52,119.03 and 20,772.51

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Solution

The fourth proportional to 37,768.20, 52,119.03 and 20,772.51 is: 28,665.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,768.20 : 52,119.03 = 20,772.51 : x
  2. Step 2: Convert to fraction form
    37,768.20/52,119.03 = 20,772.51/x
  3. Step 3: Cross multiply
    37,768.20x = 52,119.03 × 20,772.51
  4. Step 4: Simplify right side
    37,768.20x = 1,082,643,071.87
  5. Step 5: Solve for x
    x = 1,082,643,071.87/37,768.20
  6. Step 6: Final answer
    x = 28,665.47

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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.