Home / 33,291.78-49,937.86-11,105.09

Finding the Fourth Proportional to 33,291.78, 49,937.86 and 11,105.09

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Solution

The fourth proportional to 33,291.78, 49,937.86 and 11,105.09 is: 16,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,291.78 : 49,937.86 = 11,105.09 : x
  2. Step 2: Convert to fraction form
    33,291.78/49,937.86 = 11,105.09/x
  3. Step 3: Cross multiply
    33,291.78x = 49,937.86 × 11,105.09
  4. Step 4: Simplify right side
    33,291.78x = 554,564,429.71
  5. Step 5: Solve for x
    x = 554,564,429.71/33,291.78
  6. Step 6: Final answer
    x = 16,657.70

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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.