Home / 43,127.63-64,691.44-11,962.88

Finding the Fourth Proportional to 43,127.63, 64,691.44 and 11,962.88

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Solution

The fourth proportional to 43,127.63, 64,691.44 and 11,962.88 is: 17,944.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,127.63 : 64,691.44 = 11,962.88 : x
  2. Step 2: Convert to fraction form
    43,127.63/64,691.44 = 11,962.88/x
  3. Step 3: Cross multiply
    43,127.63x = 64,691.44 × 11,962.88
  4. Step 4: Simplify right side
    43,127.63x = 773,895,580.38
  5. Step 5: Solve for x
    x = 773,895,580.38/43,127.63
  6. Step 6: Final answer
    x = 17,944.31

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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.