Home / 81,046.22-121,579.03-24,878.95

Finding the Fourth Proportional to 81,046.22, 121,579.03 and 24,878.95

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Solution

The fourth proportional to 81,046.22, 121,579.03 and 24,878.95 is: 37,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,046.22 : 121,579.03 = 24,878.95 : x
  2. Step 2: Convert to fraction form
    81,046.22/121,579.03 = 24,878.95/x
  3. Step 3: Cross multiply
    81,046.22x = 121,579.03 × 24,878.95
  4. Step 4: Simplify right side
    81,046.22x = 3,024,758,195.63
  5. Step 5: Solve for x
    x = 3,024,758,195.63/81,046.22
  6. Step 6: Final answer
    x = 37,321.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.