Home / 20,737.44-31,106.04-5,154.96

Finding the Fourth Proportional to 20,737.44, 31,106.04 and 5,154.96

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Solution

The fourth proportional to 20,737.44, 31,106.04 and 5,154.96 is: 7,732.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.44 : 31,106.04 = 5,154.96 : x
  2. Step 2: Convert to fraction form
    20,737.44/31,106.04 = 5,154.96/x
  3. Step 3: Cross multiply
    20,737.44x = 31,106.04 × 5,154.96
  4. Step 4: Simplify right side
    20,737.44x = 160,350,391.96
  5. Step 5: Solve for x
    x = 160,350,391.96/20,737.44
  6. Step 6: Final answer
    x = 7,732.41

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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.