Home / 50,342.13-75,448.62-20,780.73

Finding the Fourth Proportional to 50,342.13, 75,448.62 and 20,780.73

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Solution

The fourth proportional to 50,342.13, 75,448.62 and 20,780.73 is: 31,144.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,342.13 : 75,448.62 = 20,780.73 : x
  2. Step 2: Convert to fraction form
    50,342.13/75,448.62 = 20,780.73/x
  3. Step 3: Cross multiply
    50,342.13x = 75,448.62 × 20,780.73
  4. Step 4: Simplify right side
    50,342.13x = 1,567,877,401.09
  5. Step 5: Solve for x
    x = 1,567,877,401.09/50,342.13
  6. Step 6: Final answer
    x = 31,144.44

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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.