Home / 34,091.40-51,139.80-11,904.30

Finding the Fourth Proportional to 34,091.40, 51,139.80 and 11,904.30

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Solution

The fourth proportional to 34,091.40, 51,139.80 and 11,904.30 is: 17,857.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,091.40 : 51,139.80 = 11,904.30 : x
  2. Step 2: Convert to fraction form
    34,091.40/51,139.80 = 11,904.30/x
  3. Step 3: Cross multiply
    34,091.40x = 51,139.80 × 11,904.30
  4. Step 4: Simplify right side
    34,091.40x = 608,783,521.14
  5. Step 5: Solve for x
    x = 608,783,521.14/34,091.40
  6. Step 6: Final answer
    x = 17,857.39

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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.