Home / 33,990.45-51,083.96-31,628.13

Finding the Fourth Proportional to 33,990.45, 51,083.96 and 31,628.13

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Solution

The fourth proportional to 33,990.45, 51,083.96 and 31,628.13 is: 47,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,990.45 : 51,083.96 = 31,628.13 : x
  2. Step 2: Convert to fraction form
    33,990.45/51,083.96 = 31,628.13/x
  3. Step 3: Cross multiply
    33,990.45x = 51,083.96 × 31,628.13
  4. Step 4: Simplify right side
    33,990.45x = 1,615,689,969.65
  5. Step 5: Solve for x
    x = 1,615,689,969.65/33,990.45
  6. Step 6: Final answer
    x = 47,533.64

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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.