Home / 34,379.55-51,569.36-9,419.80

Finding the Fourth Proportional to 34,379.55, 51,569.36 and 9,419.80

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Solution

The fourth proportional to 34,379.55, 51,569.36 and 9,419.80 is: 14,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,379.55 : 51,569.36 = 9,419.80 : x
  2. Step 2: Convert to fraction form
    34,379.55/51,569.36 = 9,419.80/x
  3. Step 3: Cross multiply
    34,379.55x = 51,569.36 × 9,419.80
  4. Step 4: Simplify right side
    34,379.55x = 485,773,057.33
  5. Step 5: Solve for x
    x = 485,773,057.33/34,379.55
  6. Step 6: Final answer
    x = 14,129.71

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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.