Home / 29,139.20-43,693.44-12,704

Finding the Fourth Proportional to 29,139.20, 43,693.44 and 12,704

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Solution

The fourth proportional to 29,139.20, 43,693.44 and 12,704 is: 19,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,139.20 : 43,693.44 = 12,704 : x
  2. Step 2: Convert to fraction form
    29,139.20/43,693.44 = 12,704/x
  3. Step 3: Cross multiply
    29,139.20x = 43,693.44 × 12,704
  4. Step 4: Simplify right side
    29,139.20x = 555,081,461.76
  5. Step 5: Solve for x
    x = 555,081,461.76/29,139.20
  6. Step 6: Final answer
    x = 19,049.30

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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.