Home / 50,455.89-75,691.17-15,390.99

Finding the Fourth Proportional to 50,455.89, 75,691.17 and 15,390.99

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Solution

The fourth proportional to 50,455.89, 75,691.17 and 15,390.99 is: 23,088.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,455.89 : 75,691.17 = 15,390.99 : x
  2. Step 2: Convert to fraction form
    50,455.89/75,691.17 = 15,390.99/x
  3. Step 3: Cross multiply
    50,455.89x = 75,691.17 × 15,390.99
  4. Step 4: Simplify right side
    50,455.89x = 1,164,962,040.56
  5. Step 5: Solve for x
    x = 1,164,962,040.56/50,455.89
  6. Step 6: Final answer
    x = 23,088.72

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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.