Home / 34,102.13-51,136.05-19,875.18

Finding the Fourth Proportional to 34,102.13, 51,136.05 and 19,875.18

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Solution

The fourth proportional to 34,102.13, 51,136.05 and 19,875.18 is: 29,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,102.13 : 51,136.05 = 19,875.18 : x
  2. Step 2: Convert to fraction form
    34,102.13/51,136.05 = 19,875.18/x
  3. Step 3: Cross multiply
    34,102.13x = 51,136.05 × 19,875.18
  4. Step 4: Simplify right side
    34,102.13x = 1,016,338,198.24
  5. Step 5: Solve for x
    x = 1,016,338,198.24/34,102.13
  6. Step 6: Final answer
    x = 29,802.78

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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.