Home / 33,042.60-49,636.80-31,803.30

Finding the Fourth Proportional to 33,042.60, 49,636.80 and 31,803.30

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Solution

The fourth proportional to 33,042.60, 49,636.80 and 31,803.30 is: 47,775.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,042.60 : 49,636.80 = 31,803.30 : x
  2. Step 2: Convert to fraction form
    33,042.60/49,636.80 = 31,803.30/x
  3. Step 3: Cross multiply
    33,042.60x = 49,636.80 × 31,803.30
  4. Step 4: Simplify right side
    33,042.60x = 1,578,614,041.44
  5. Step 5: Solve for x
    x = 1,578,614,041.44/33,042.60
  6. Step 6: Final answer
    x = 47,775.12

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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.