Home / 57,929.87-86,896.33-18,486.95

Finding the Fourth Proportional to 57,929.87, 86,896.33 and 18,486.95

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Solution

The fourth proportional to 57,929.87, 86,896.33 and 18,486.95 is: 27,730.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,929.87 : 86,896.33 = 18,486.95 : x
  2. Step 2: Convert to fraction form
    57,929.87/86,896.33 = 18,486.95/x
  3. Step 3: Cross multiply
    57,929.87x = 86,896.33 × 18,486.95
  4. Step 4: Simplify right side
    57,929.87x = 1,606,447,844.44
  5. Step 5: Solve for x
    x = 1,606,447,844.44/57,929.87
  6. Step 6: Final answer
    x = 27,730.91

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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.