Home / 30,390.30-41,892.66-23,664.06

Finding the Fourth Proportional to 30,390.30, 41,892.66 and 23,664.06

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Solution

The fourth proportional to 30,390.30, 41,892.66 and 23,664.06 is: 32,620.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,390.30 : 41,892.66 = 23,664.06 : x
  2. Step 2: Convert to fraction form
    30,390.30/41,892.66 = 23,664.06/x
  3. Step 3: Cross multiply
    30,390.30x = 41,892.66 × 23,664.06
  4. Step 4: Simplify right side
    30,390.30x = 991,350,419.80
  5. Step 5: Solve for x
    x = 991,350,419.80/30,390.30
  6. Step 6: Final answer
    x = 32,620.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.