Home / 57,179.58-78,839.19-49,208.10

Finding the Fourth Proportional to 57,179.58, 78,839.19 and 49,208.10

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Solution

The fourth proportional to 57,179.58, 78,839.19 and 49,208.10 is: 67,848.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,179.58 : 78,839.19 = 49,208.10 : x
  2. Step 2: Convert to fraction form
    57,179.58/78,839.19 = 49,208.10/x
  3. Step 3: Cross multiply
    57,179.58x = 78,839.19 × 49,208.10
  4. Step 4: Simplify right side
    57,179.58x = 3,879,526,745.44
  5. Step 5: Solve for x
    x = 3,879,526,745.44/57,179.58
  6. Step 6: Final answer
    x = 67,848.12

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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.