Home / 40,647.30-60,971.04-21,936.13

Finding the Fourth Proportional to 40,647.30, 60,971.04 and 21,936.13

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Solution

The fourth proportional to 40,647.30, 60,971.04 and 21,936.13 is: 32,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,647.30 : 60,971.04 = 21,936.13 : x
  2. Step 2: Convert to fraction form
    40,647.30/60,971.04 = 21,936.13/x
  3. Step 3: Cross multiply
    40,647.30x = 60,971.04 × 21,936.13
  4. Step 4: Simplify right side
    40,647.30x = 1,337,468,659.68
  5. Step 5: Solve for x
    x = 1,337,468,659.68/40,647.30
  6. Step 6: Final answer
    x = 32,904.24

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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.