Home / 34,715.14-52,072.68-8,419.87

Finding the Fourth Proportional to 34,715.14, 52,072.68 and 8,419.87

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Solution

The fourth proportional to 34,715.14, 52,072.68 and 8,419.87 is: 12,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,715.14 : 52,072.68 = 8,419.87 : x
  2. Step 2: Convert to fraction form
    34,715.14/52,072.68 = 8,419.87/x
  3. Step 3: Cross multiply
    34,715.14x = 52,072.68 × 8,419.87
  4. Step 4: Simplify right side
    34,715.14x = 438,445,196.15
  5. Step 5: Solve for x
    x = 438,445,196.15/34,715.14
  6. Step 6: Final answer
    x = 12,629.80

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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.