Home / 34,214.78-51,316.61-12,022.98

Finding the Fourth Proportional to 34,214.78, 51,316.61 and 12,022.98

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Solution

The fourth proportional to 34,214.78, 51,316.61 and 12,022.98 is: 18,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,214.78 : 51,316.61 = 12,022.98 : x
  2. Step 2: Convert to fraction form
    34,214.78/51,316.61 = 12,022.98/x
  3. Step 3: Cross multiply
    34,214.78x = 51,316.61 × 12,022.98
  4. Step 4: Simplify right side
    34,214.78x = 616,978,713.25
  5. Step 5: Solve for x
    x = 616,978,713.25/34,214.78
  6. Step 6: Final answer
    x = 18,032.52

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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.