Home / 34,485.65-51,748.11-13,422.96

Finding the Fourth Proportional to 34,485.65, 51,748.11 and 13,422.96

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Solution

The fourth proportional to 34,485.65, 51,748.11 and 13,422.96 is: 20,142.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,485.65 : 51,748.11 = 13,422.96 : x
  2. Step 2: Convert to fraction form
    34,485.65/51,748.11 = 13,422.96/x
  3. Step 3: Cross multiply
    34,485.65x = 51,748.11 × 13,422.96
  4. Step 4: Simplify right side
    34,485.65x = 694,612,810.61
  5. Step 5: Solve for x
    x = 694,612,810.61/34,485.65
  6. Step 6: Final answer
    x = 20,142.09

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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.