Home / 52,021.56-71,789.24-28,147.71

Finding the Fourth Proportional to 52,021.56, 71,789.24 and 28,147.71

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Solution

The fourth proportional to 52,021.56, 71,789.24 and 28,147.71 is: 38,843.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,021.56 : 71,789.24 = 28,147.71 : x
  2. Step 2: Convert to fraction form
    52,021.56/71,789.24 = 28,147.71/x
  3. Step 3: Cross multiply
    52,021.56x = 71,789.24 × 28,147.71
  4. Step 4: Simplify right side
    52,021.56x = 2,020,702,708.64
  5. Step 5: Solve for x
    x = 2,020,702,708.64/52,021.56
  6. Step 6: Final answer
    x = 38,843.56

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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.