Home / 37,306.32-51,481.20-21,379.68

Finding the Fourth Proportional to 37,306.32, 51,481.20 and 21,379.68

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Solution

The fourth proportional to 37,306.32, 51,481.20 and 21,379.68 is: 29,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,306.32 : 51,481.20 = 21,379.68 : x
  2. Step 2: Convert to fraction form
    37,306.32/51,481.20 = 21,379.68/x
  3. Step 3: Cross multiply
    37,306.32x = 51,481.20 × 21,379.68
  4. Step 4: Simplify right side
    37,306.32x = 1,100,651,582.02
  5. Step 5: Solve for x
    x = 1,100,651,582.02/37,306.32
  6. Step 6: Final answer
    x = 29,503.09

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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.