Home / 37,539.20-51,822.86-21,620.58

Finding the Fourth Proportional to 37,539.20, 51,822.86 and 21,620.58

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Solution

The fourth proportional to 37,539.20, 51,822.86 and 21,620.58 is: 29,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,539.20 : 51,822.86 = 21,620.58 : x
  2. Step 2: Convert to fraction form
    37,539.20/51,822.86 = 21,620.58/x
  3. Step 3: Cross multiply
    37,539.20x = 51,822.86 × 21,620.58
  4. Step 4: Simplify right side
    37,539.20x = 1,120,440,290.46
  5. Step 5: Solve for x
    x = 1,120,440,290.46/37,539.20
  6. Step 6: Final answer
    x = 29,847.21

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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.