Home / 86,511.54-129,788.94-24,181.50

Finding the Fourth Proportional to 86,511.54, 129,788.94 and 24,181.50

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Solution

The fourth proportional to 86,511.54, 129,788.94 and 24,181.50 is: 36,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,511.54 : 129,788.94 = 24,181.50 : x
  2. Step 2: Convert to fraction form
    86,511.54/129,788.94 = 24,181.50/x
  3. Step 3: Cross multiply
    86,511.54x = 129,788.94 × 24,181.50
  4. Step 4: Simplify right side
    86,511.54x = 3,138,491,252.61
  5. Step 5: Solve for x
    x = 3,138,491,252.61/86,511.54
  6. Step 6: Final answer
    x = 36,278.30

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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.