Home / 43,107.52-64,654.08-11,945.92

Finding the Fourth Proportional to 43,107.52, 64,654.08 and 11,945.92

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Solution

The fourth proportional to 43,107.52, 64,654.08 and 11,945.92 is: 17,916.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,107.52 : 64,654.08 = 11,945.92 : x
  2. Step 2: Convert to fraction form
    43,107.52/64,654.08 = 11,945.92/x
  3. Step 3: Cross multiply
    43,107.52x = 64,654.08 × 11,945.92
  4. Step 4: Simplify right side
    43,107.52x = 772,352,467.35
  5. Step 5: Solve for x
    x = 772,352,467.35/43,107.52
  6. Step 6: Final answer
    x = 17,916.88

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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.