Home / 34,486.65-51,749.61-13,423.96

Finding the Fourth Proportional to 34,486.65, 51,749.61 and 13,423.96

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Solution

The fourth proportional to 34,486.65, 51,749.61 and 13,423.96 is: 20,143.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,486.65 : 51,749.61 = 13,423.96 : x
  2. Step 2: Convert to fraction form
    34,486.65/51,749.61 = 13,423.96/x
  3. Step 3: Cross multiply
    34,486.65x = 51,749.61 × 13,423.96
  4. Step 4: Simplify right side
    34,486.65x = 694,684,694.66
  5. Step 5: Solve for x
    x = 694,684,694.66/34,486.65
  6. Step 6: Final answer
    x = 20,143.58

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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.