Home / 37,429.80-51,652.78-20,662.76

Finding the Fourth Proportional to 37,429.80, 51,652.78 and 20,662.76

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Solution

The fourth proportional to 37,429.80, 51,652.78 and 20,662.76 is: 28,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,429.80 : 51,652.78 = 20,662.76 : x
  2. Step 2: Convert to fraction form
    37,429.80/51,652.78 = 20,662.76/x
  3. Step 3: Cross multiply
    37,429.80x = 51,652.78 × 20,662.76
  4. Step 4: Simplify right side
    37,429.80x = 1,067,288,996.47
  5. Step 5: Solve for x
    x = 1,067,288,996.47/37,429.80
  6. Step 6: Final answer
    x = 28,514.42

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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.