Home / 33,172.31-49,761.27-9,479.99

Finding the Fourth Proportional to 33,172.31, 49,761.27 and 9,479.99

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Solution

The fourth proportional to 33,172.31, 49,761.27 and 9,479.99 is: 14,220.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.31 : 49,761.27 = 9,479.99 : x
  2. Step 2: Convert to fraction form
    33,172.31/49,761.27 = 9,479.99/x
  3. Step 3: Cross multiply
    33,172.31x = 49,761.27 × 9,479.99
  4. Step 4: Simplify right side
    33,172.31x = 471,736,341.99
  5. Step 5: Solve for x
    x = 471,736,341.99/33,172.31
  6. Step 6: Final answer
    x = 14,220.79

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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.