Home / 50,421.09-75,614.62-18,824.61

Finding the Fourth Proportional to 50,421.09, 75,614.62 and 18,824.61

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Solution

The fourth proportional to 50,421.09, 75,614.62 and 18,824.61 is: 28,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,421.09 : 75,614.62 = 18,824.61 : x
  2. Step 2: Convert to fraction form
    50,421.09/75,614.62 = 18,824.61/x
  3. Step 3: Cross multiply
    50,421.09x = 75,614.62 × 18,824.61
  4. Step 4: Simplify right side
    50,421.09x = 1,423,415,731.80
  5. Step 5: Solve for x
    x = 1,423,415,731.80/50,421.09
  6. Step 6: Final answer
    x = 28,230.56

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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.