Home / 29,369.04-44,069.72-12,729.21

Finding the Fourth Proportional to 29,369.04, 44,069.72 and 12,729.21

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Solution

The fourth proportional to 29,369.04, 44,069.72 and 12,729.21 is: 19,100.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,369.04 : 44,069.72 = 12,729.21 : x
  2. Step 2: Convert to fraction form
    29,369.04/44,069.72 = 12,729.21/x
  3. Step 3: Cross multiply
    29,369.04x = 44,069.72 × 12,729.21
  4. Step 4: Simplify right side
    29,369.04x = 560,972,656.88
  5. Step 5: Solve for x
    x = 560,972,656.88/29,369.04
  6. Step 6: Final answer
    x = 19,100.82

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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.