Home / 64,131.30-96,207.48-19,758.06

Finding the Fourth Proportional to 64,131.30, 96,207.48 and 19,758.06

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Solution

The fourth proportional to 64,131.30, 96,207.48 and 19,758.06 is: 29,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,131.30 : 96,207.48 = 19,758.06 : x
  2. Step 2: Convert to fraction form
    64,131.30/96,207.48 = 19,758.06/x
  3. Step 3: Cross multiply
    64,131.30x = 96,207.48 × 19,758.06
  4. Step 4: Simplify right side
    64,131.30x = 1,900,873,162.29
  5. Step 5: Solve for x
    x = 1,900,873,162.29/64,131.30
  6. Step 6: Final answer
    x = 29,640.33

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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.