Home / 43,120.22-64,658.41-19,726.61

Finding the Fourth Proportional to 43,120.22, 64,658.41 and 19,726.61

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Solution

The fourth proportional to 43,120.22, 64,658.41 and 19,726.61 is: 29,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,120.22 : 64,658.41 = 19,726.61 : x
  2. Step 2: Convert to fraction form
    43,120.22/64,658.41 = 19,726.61/x
  3. Step 3: Cross multiply
    43,120.22x = 64,658.41 × 19,726.61
  4. Step 4: Simplify right side
    43,120.22x = 1,275,490,864.68
  5. Step 5: Solve for x
    x = 1,275,490,864.68/43,120.22
  6. Step 6: Final answer
    x = 29,579.88

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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.