Home / 31,448.96-47,171.90-11,725.97

Finding the Fourth Proportional to 31,448.96, 47,171.90 and 11,725.97

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Solution

The fourth proportional to 31,448.96, 47,171.90 and 11,725.97 is: 17,588.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,448.96 : 47,171.90 = 11,725.97 : x
  2. Step 2: Convert to fraction form
    31,448.96/47,171.90 = 11,725.97/x
  3. Step 3: Cross multiply
    31,448.96x = 47,171.90 × 11,725.97
  4. Step 4: Simplify right side
    31,448.96x = 553,136,343.54
  5. Step 5: Solve for x
    x = 553,136,343.54/31,448.96
  6. Step 6: Final answer
    x = 17,588.39

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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.