Home / 33,318.31-49,970.09-9,620.71

Finding the Fourth Proportional to 33,318.31, 49,970.09 and 9,620.71

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Solution

The fourth proportional to 33,318.31, 49,970.09 and 9,620.71 is: 14,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,318.31 : 49,970.09 = 9,620.71 : x
  2. Step 2: Convert to fraction form
    33,318.31/49,970.09 = 9,620.71/x
  3. Step 3: Cross multiply
    33,318.31x = 49,970.09 × 9,620.71
  4. Step 4: Simplify right side
    33,318.31x = 480,747,595.59
  5. Step 5: Solve for x
    x = 480,747,595.59/33,318.31
  6. Step 6: Final answer
    x = 14,428.93

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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.