Home / 31,548.62-47,309.09-11,813.33

Finding the Fourth Proportional to 31,548.62, 47,309.09 and 11,813.33

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Solution

The fourth proportional to 31,548.62, 47,309.09 and 11,813.33 is: 17,714.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,548.62 : 47,309.09 = 11,813.33 : x
  2. Step 2: Convert to fraction form
    31,548.62/47,309.09 = 11,813.33/x
  3. Step 3: Cross multiply
    31,548.62x = 47,309.09 × 11,813.33
  4. Step 4: Simplify right side
    31,548.62x = 558,877,951.38
  5. Step 5: Solve for x
    x = 558,877,951.38/31,548.62
  6. Step 6: Final answer
    x = 17,714.81

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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.