Home / 20,564.76-30,847.17-4,982.34

Finding the Fourth Proportional to 20,564.76, 30,847.17 and 4,982.34

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Solution

The fourth proportional to 20,564.76, 30,847.17 and 4,982.34 is: 7,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564.76 : 30,847.17 = 4,982.34 : x
  2. Step 2: Convert to fraction form
    20,564.76/30,847.17 = 4,982.34/x
  3. Step 3: Cross multiply
    20,564.76x = 30,847.17 × 4,982.34
  4. Step 4: Simplify right side
    20,564.76x = 153,691,088.98
  5. Step 5: Solve for x
    x = 153,691,088.98/20,564.76
  6. Step 6: Final answer
    x = 7,473.52

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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.