Home / 52,021.05-71,789.04-28,147.74

Finding the Fourth Proportional to 52,021.05, 71,789.04 and 28,147.74

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Solution

The fourth proportional to 52,021.05, 71,789.04 and 28,147.74 is: 38,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,021.05 : 71,789.04 = 28,147.74 : x
  2. Step 2: Convert to fraction form
    52,021.05/71,789.04 = 28,147.74/x
  3. Step 3: Cross multiply
    52,021.05x = 71,789.04 × 28,147.74
  4. Step 4: Simplify right side
    52,021.05x = 2,020,699,232.77
  5. Step 5: Solve for x
    x = 2,020,699,232.77/52,021.05
  6. Step 6: Final answer
    x = 38,843.88

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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.