Home / 33,187.47-49,781.21-19,326.75

Finding the Fourth Proportional to 33,187.47, 49,781.21 and 19,326.75

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Solution

The fourth proportional to 33,187.47, 49,781.21 and 19,326.75 is: 28,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.47 : 49,781.21 = 19,326.75 : x
  2. Step 2: Convert to fraction form
    33,187.47/49,781.21 = 19,326.75/x
  3. Step 3: Cross multiply
    33,187.47x = 49,781.21 × 19,326.75
  4. Step 4: Simplify right side
    33,187.47x = 962,108,903.73
  5. Step 5: Solve for x
    x = 962,108,903.73/33,187.47
  6. Step 6: Final answer
    x = 28,990.13

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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.