Home / 20,808.36-31,212.77-6,017.42

Finding the Fourth Proportional to 20,808.36, 31,212.77 and 6,017.42

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Solution

The fourth proportional to 20,808.36, 31,212.77 and 6,017.42 is: 9,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,808.36 : 31,212.77 = 6,017.42 : x
  2. Step 2: Convert to fraction form
    20,808.36/31,212.77 = 6,017.42/x
  3. Step 3: Cross multiply
    20,808.36x = 31,212.77 × 6,017.42
  4. Step 4: Simplify right side
    20,808.36x = 187,820,160.30
  5. Step 5: Solve for x
    x = 187,820,160.30/20,808.36
  6. Step 6: Final answer
    x = 9,026.19

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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.