Home / 34,171.83-51,258.09-11,985.74

Finding the Fourth Proportional to 34,171.83, 51,258.09 and 11,985.74

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Solution

The fourth proportional to 34,171.83, 51,258.09 and 11,985.74 is: 17,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,171.83 : 51,258.09 = 11,985.74 : x
  2. Step 2: Convert to fraction form
    34,171.83/51,258.09 = 11,985.74/x
  3. Step 3: Cross multiply
    34,171.83x = 51,258.09 × 11,985.74
  4. Step 4: Simplify right side
    34,171.83x = 614,366,139.64
  5. Step 5: Solve for x
    x = 614,366,139.64/34,171.83
  6. Step 6: Final answer
    x = 17,978.73

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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.