Home / 33,120.90-49,670.82-10,930.14

Finding the Fourth Proportional to 33,120.90, 49,670.82 and 10,930.14

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Solution

The fourth proportional to 33,120.90, 49,670.82 and 10,930.14 is: 16,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,120.90 : 49,670.82 = 10,930.14 : x
  2. Step 2: Convert to fraction form
    33,120.90/49,670.82 = 10,930.14/x
  3. Step 3: Cross multiply
    33,120.90x = 49,670.82 × 10,930.14
  4. Step 4: Simplify right side
    33,120.90x = 542,909,016.51
  5. Step 5: Solve for x
    x = 542,909,016.51/33,120.90
  6. Step 6: Final answer
    x = 16,391.74

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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.