Home / 29,296.56-43,943.01-12,644.88

Finding the Fourth Proportional to 29,296.56, 43,943.01 and 12,644.88

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Solution

The fourth proportional to 29,296.56, 43,943.01 and 12,644.88 is: 18,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,296.56 : 43,943.01 = 12,644.88 : x
  2. Step 2: Convert to fraction form
    29,296.56/43,943.01 = 12,644.88/x
  3. Step 3: Cross multiply
    29,296.56x = 43,943.01 × 12,644.88
  4. Step 4: Simplify right side
    29,296.56x = 555,654,088.29
  5. Step 5: Solve for x
    x = 555,654,088.29/29,296.56
  6. Step 6: Final answer
    x = 18,966.53

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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.