Home / 33,187.78-49,781.58-9,816.04

Finding the Fourth Proportional to 33,187.78, 49,781.58 and 9,816.04

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Solution

The fourth proportional to 33,187.78, 49,781.58 and 9,816.04 is: 14,724.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.78 : 49,781.58 = 9,816.04 : x
  2. Step 2: Convert to fraction form
    33,187.78/49,781.58 = 9,816.04/x
  3. Step 3: Cross multiply
    33,187.78x = 49,781.58 × 9,816.04
  4. Step 4: Simplify right side
    33,187.78x = 488,657,980.54
  5. Step 5: Solve for x
    x = 488,657,980.54/33,187.78
  6. Step 6: Final answer
    x = 14,724.03

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1.5x scale

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.