Home / 33,141.60-49,712.40-19,144.80

Finding the Fourth Proportional to 33,141.60, 49,712.40 and 19,144.80

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Solution

The fourth proportional to 33,141.60, 49,712.40 and 19,144.80 is: 28,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,141.60 : 49,712.40 = 19,144.80 : x
  2. Step 2: Convert to fraction form
    33,141.60/49,712.40 = 19,144.80/x
  3. Step 3: Cross multiply
    33,141.60x = 49,712.40 × 19,144.80
  4. Step 4: Simplify right side
    33,141.60x = 951,733,955.52
  5. Step 5: Solve for x
    x = 951,733,955.52/33,141.60
  6. Step 6: Final answer
    x = 28,717.20

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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.