Home / 33,181.31-49,727.63-12,101.55

Finding the Fourth Proportional to 33,181.31, 49,727.63 and 12,101.55

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Solution

The fourth proportional to 33,181.31, 49,727.63 and 12,101.55 is: 18,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,181.31 : 49,727.63 = 12,101.55 : x
  2. Step 2: Convert to fraction form
    33,181.31/49,727.63 = 12,101.55/x
  3. Step 3: Cross multiply
    33,181.31x = 49,727.63 × 12,101.55
  4. Step 4: Simplify right side
    33,181.31x = 601,781,541.34
  5. Step 5: Solve for x
    x = 601,781,541.34/33,181.31
  6. Step 6: Final answer
    x = 18,136.16

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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.