Home / 38,529.68-57,789.28-10,451.54

Finding the Fourth Proportional to 38,529.68, 57,789.28 and 10,451.54

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Solution

The fourth proportional to 38,529.68, 57,789.28 and 10,451.54 is: 15,675.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,529.68 : 57,789.28 = 10,451.54 : x
  2. Step 2: Convert to fraction form
    38,529.68/57,789.28 = 10,451.54/x
  3. Step 3: Cross multiply
    38,529.68x = 57,789.28 × 10,451.54
  4. Step 4: Simplify right side
    38,529.68x = 603,986,971.49
  5. Step 5: Solve for x
    x = 603,986,971.49/38,529.68
  6. Step 6: Final answer
    x = 15,675.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.