Home / 50,104.31-75,159.03-12,664.70

Finding the Fourth Proportional to 50,104.31, 75,159.03 and 12,664.70

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Solution

The fourth proportional to 50,104.31, 75,159.03 and 12,664.70 is: 18,997.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,104.31 : 75,159.03 = 12,664.70 : x
  2. Step 2: Convert to fraction form
    50,104.31/75,159.03 = 12,664.70/x
  3. Step 3: Cross multiply
    50,104.31x = 75,159.03 × 12,664.70
  4. Step 4: Simplify right side
    50,104.31x = 951,866,273.78
  5. Step 5: Solve for x
    x = 951,866,273.78/50,104.31
  6. Step 6: Final answer
    x = 18,997.69

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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.