Home / 37,538.20-51,821.48-21,619.58

Finding the Fourth Proportional to 37,538.20, 51,821.48 and 21,619.58

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Solution

The fourth proportional to 37,538.20, 51,821.48 and 21,619.58 is: 29,845.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,538.20 : 51,821.48 = 21,619.58 : x
  2. Step 2: Convert to fraction form
    37,538.20/51,821.48 = 21,619.58/x
  3. Step 3: Cross multiply
    37,538.20x = 51,821.48 × 21,619.58
  4. Step 4: Simplify right side
    37,538.20x = 1,120,358,524.48
  5. Step 5: Solve for x
    x = 1,120,358,524.48/37,538.20
  6. Step 6: Final answer
    x = 29,845.83

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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.