Home / 33,140.04-49,710.78-12,084.36

Finding the Fourth Proportional to 33,140.04, 49,710.78 and 12,084.36

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Solution

The fourth proportional to 33,140.04, 49,710.78 and 12,084.36 is: 18,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.04 : 49,710.78 = 12,084.36 : x
  2. Step 2: Convert to fraction form
    33,140.04/49,710.78 = 12,084.36/x
  3. Step 3: Cross multiply
    33,140.04x = 49,710.78 × 12,084.36
  4. Step 4: Simplify right side
    33,140.04x = 600,722,961.40
  5. Step 5: Solve for x
    x = 600,722,961.40/33,140.04
  6. Step 6: Final answer
    x = 18,126.80

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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.