Home / 33,159.78-49,761.54-15,631.38

Finding the Fourth Proportional to 33,159.78, 49,761.54 and 15,631.38

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Solution

The fourth proportional to 33,159.78, 49,761.54 and 15,631.38 is: 23,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,159.78 : 49,761.54 = 15,631.38 : x
  2. Step 2: Convert to fraction form
    33,159.78/49,761.54 = 15,631.38/x
  3. Step 3: Cross multiply
    33,159.78x = 49,761.54 × 15,631.38
  4. Step 4: Simplify right side
    33,159.78x = 777,841,541.13
  5. Step 5: Solve for x
    x = 777,841,541.13/33,159.78
  6. Step 6: Final answer
    x = 23,457.38

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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.