Home / 49,388.13-68,170.95-28,181.52

Finding the Fourth Proportional to 49,388.13, 68,170.95 and 28,181.52

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Solution

The fourth proportional to 49,388.13, 68,170.95 and 28,181.52 is: 38,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,388.13 : 68,170.95 = 28,181.52 : x
  2. Step 2: Convert to fraction form
    49,388.13/68,170.95 = 28,181.52/x
  3. Step 3: Cross multiply
    49,388.13x = 68,170.95 × 28,181.52
  4. Step 4: Simplify right side
    49,388.13x = 1,921,160,990.84
  5. Step 5: Solve for x
    x = 1,921,160,990.84/49,388.13
  6. Step 6: Final answer
    x = 38,899.25

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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.