Home / 37,764.36-52,113.78-20,768.64

Finding the Fourth Proportional to 37,764.36, 52,113.78 and 20,768.64

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Solution

The fourth proportional to 37,764.36, 52,113.78 and 20,768.64 is: 28,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,764.36 : 52,113.78 = 20,768.64 : x
  2. Step 2: Convert to fraction form
    37,764.36/52,113.78 = 20,768.64/x
  3. Step 3: Cross multiply
    37,764.36x = 52,113.78 × 20,768.64
  4. Step 4: Simplify right side
    37,764.36x = 1,082,332,335.86
  5. Step 5: Solve for x
    x = 1,082,332,335.86/37,764.36
  6. Step 6: Final answer
    x = 28,660.15

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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.