Home / 29,311.52-43,969.30-11,781.36

Finding the Fourth Proportional to 29,311.52, 43,969.30 and 11,781.36

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Solution

The fourth proportional to 29,311.52, 43,969.30 and 11,781.36 is: 17,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,311.52 : 43,969.30 = 11,781.36 : x
  2. Step 2: Convert to fraction form
    29,311.52/43,969.30 = 11,781.36/x
  3. Step 3: Cross multiply
    29,311.52x = 43,969.30 × 11,781.36
  4. Step 4: Simplify right side
    29,311.52x = 518,018,152.25
  5. Step 5: Solve for x
    x = 518,018,152.25/29,311.52
  6. Step 6: Final answer
    x = 17,672.85

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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.