Home / 33,298.30-49,947.31-15,780.43

Finding the Fourth Proportional to 33,298.30, 49,947.31 and 15,780.43

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Solution

The fourth proportional to 33,298.30, 49,947.31 and 15,780.43 is: 23,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,298.30 : 49,947.31 = 15,780.43 : x
  2. Step 2: Convert to fraction form
    33,298.30/49,947.31 = 15,780.43/x
  3. Step 3: Cross multiply
    33,298.30x = 49,947.31 × 15,780.43
  4. Step 4: Simplify right side
    33,298.30x = 788,190,029.14
  5. Step 5: Solve for x
    x = 788,190,029.14/33,298.30
  6. Step 6: Final answer
    x = 23,670.58

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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.