Home / 20,089.82-30,141.96-6,943.52

Finding the Fourth Proportional to 20,089.82, 30,141.96 and 6,943.52

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Solution

The fourth proportional to 20,089.82, 30,141.96 and 6,943.52 is: 10,417.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,089.82 : 30,141.96 = 6,943.52 : x
  2. Step 2: Convert to fraction form
    20,089.82/30,141.96 = 6,943.52/x
  3. Step 3: Cross multiply
    20,089.82x = 30,141.96 × 6,943.52
  4. Step 4: Simplify right side
    20,089.82x = 209,291,302.10
  5. Step 5: Solve for x
    x = 209,291,302.10/20,089.82
  6. Step 6: Final answer
    x = 10,417.78

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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.