Home / 43,101.04-64,644.24-11,929

Finding the Fourth Proportional to 43,101.04, 64,644.24 and 11,929

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Solution

The fourth proportional to 43,101.04, 64,644.24 and 11,929 is: 17,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,101.04 : 64,644.24 = 11,929 : x
  2. Step 2: Convert to fraction form
    43,101.04/64,644.24 = 11,929/x
  3. Step 3: Cross multiply
    43,101.04x = 64,644.24 × 11,929
  4. Step 4: Simplify right side
    43,101.04x = 771,141,138.96
  5. Step 5: Solve for x
    x = 771,141,138.96/43,101.04
  6. Step 6: Final answer
    x = 17,891.47

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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.