Home / 61,850.20-92,782.68-19,715.68

Finding the Fourth Proportional to 61,850.20, 92,782.68 and 19,715.68

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Solution

The fourth proportional to 61,850.20, 92,782.68 and 19,715.68 is: 29,575.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,850.20 : 92,782.68 = 19,715.68 : x
  2. Step 2: Convert to fraction form
    61,850.20/92,782.68 = 19,715.68/x
  3. Step 3: Cross multiply
    61,850.20x = 92,782.68 × 19,715.68
  4. Step 4: Simplify right side
    61,850.20x = 1,829,273,628.42
  5. Step 5: Solve for x
    x = 1,829,273,628.42/61,850.20
  6. Step 6: Final answer
    x = 29,575.87

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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.