Home / 29,108.23-43,679.28-12,240.02

Finding the Fourth Proportional to 29,108.23, 43,679.28 and 12,240.02

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Solution

The fourth proportional to 29,108.23, 43,679.28 and 12,240.02 is: 18,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,108.23 : 43,679.28 = 12,240.02 : x
  2. Step 2: Convert to fraction form
    29,108.23/43,679.28 = 12,240.02/x
  3. Step 3: Cross multiply
    29,108.23x = 43,679.28 × 12,240.02
  4. Step 4: Simplify right side
    29,108.23x = 534,635,252.09
  5. Step 5: Solve for x
    x = 534,635,252.09/29,108.23
  6. Step 6: Final answer
    x = 18,367.15

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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.