Home / 61,301.76-91,932.56-19,739.04

Finding the Fourth Proportional to 61,301.76, 91,932.56 and 19,739.04

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Solution

The fourth proportional to 61,301.76, 91,932.56 and 19,739.04 is: 29,602.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,301.76 : 91,932.56 = 19,739.04 : x
  2. Step 2: Convert to fraction form
    61,301.76/91,932.56 = 19,739.04/x
  3. Step 3: Cross multiply
    61,301.76x = 91,932.56 × 19,739.04
  4. Step 4: Simplify right side
    61,301.76x = 1,814,660,479.14
  5. Step 5: Solve for x
    x = 1,814,660,479.14/61,301.76
  6. Step 6: Final answer
    x = 29,602.09

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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.