Home / 20,737.80-31,097.32-5,943.32

Finding the Fourth Proportional to 20,737.80, 31,097.32 and 5,943.32

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Solution

The fourth proportional to 20,737.80, 31,097.32 and 5,943.32 is: 8,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.80 : 31,097.32 = 5,943.32 : x
  2. Step 2: Convert to fraction form
    20,737.80/31,097.32 = 5,943.32/x
  3. Step 3: Cross multiply
    20,737.80x = 31,097.32 × 5,943.32
  4. Step 4: Simplify right side
    20,737.80x = 184,821,323.90
  5. Step 5: Solve for x
    x = 184,821,323.90/20,737.80
  6. Step 6: Final answer
    x = 8,912.29

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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.