Home / 33,156.33-49,736.97-10,985.40

Finding the Fourth Proportional to 33,156.33, 49,736.97 and 10,985.40

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Solution

The fourth proportional to 33,156.33, 49,736.97 and 10,985.40 is: 16,478.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,156.33 : 49,736.97 = 10,985.40 : x
  2. Step 2: Convert to fraction form
    33,156.33/49,736.97 = 10,985.40/x
  3. Step 3: Cross multiply
    33,156.33x = 49,736.97 × 10,985.40
  4. Step 4: Simplify right side
    33,156.33x = 546,380,510.24
  5. Step 5: Solve for x
    x = 546,380,510.24/33,156.33
  6. Step 6: Final answer
    x = 16,478.92

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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.