Home / 33,136.62-49,703.31-12,358.50

Finding the Fourth Proportional to 33,136.62, 49,703.31 and 12,358.50

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Solution

The fourth proportional to 33,136.62, 49,703.31 and 12,358.50 is: 18,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,136.62 : 49,703.31 = 12,358.50 : x
  2. Step 2: Convert to fraction form
    33,136.62/49,703.31 = 12,358.50/x
  3. Step 3: Cross multiply
    33,136.62x = 49,703.31 × 12,358.50
  4. Step 4: Simplify right side
    33,136.62x = 614,258,356.64
  5. Step 5: Solve for x
    x = 614,258,356.64/33,136.62
  6. Step 6: Final answer
    x = 18,537.15

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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.