Home / 52,007-71,769.84-28,133.78

Finding the Fourth Proportional to 52,007, 71,769.84 and 28,133.78

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Solution

The fourth proportional to 52,007, 71,769.84 and 28,133.78 is: 38,824.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,007 : 71,769.84 = 28,133.78 : x
  2. Step 2: Convert to fraction form
    52,007/71,769.84 = 28,133.78/x
  3. Step 3: Cross multiply
    52,007x = 71,769.84 × 28,133.78
  4. Step 4: Simplify right side
    52,007x = 2,019,156,889.20
  5. Step 5: Solve for x
    x = 2,019,156,889.20/52,007
  6. Step 6: Final answer
    x = 38,824.71

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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.