Home / 34,428.60-51,643.46-11,939.98

Finding the Fourth Proportional to 34,428.60, 51,643.46 and 11,939.98

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Solution

The fourth proportional to 34,428.60, 51,643.46 and 11,939.98 is: 17,910.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,428.60 : 51,643.46 = 11,939.98 : x
  2. Step 2: Convert to fraction form
    34,428.60/51,643.46 = 11,939.98/x
  3. Step 3: Cross multiply
    34,428.60x = 51,643.46 × 11,939.98
  4. Step 4: Simplify right side
    34,428.60x = 616,621,819.83
  5. Step 5: Solve for x
    x = 616,621,819.83/34,428.60
  6. Step 6: Final answer
    x = 17,910.17

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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.