Home / 20,845.80-31,270.32-6,054.93

Finding the Fourth Proportional to 20,845.80, 31,270.32 and 6,054.93

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Solution

The fourth proportional to 20,845.80, 31,270.32 and 6,054.93 is: 9,082.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,845.80 : 31,270.32 = 6,054.93 : x
  2. Step 2: Convert to fraction form
    20,845.80/31,270.32 = 6,054.93/x
  3. Step 3: Cross multiply
    20,845.80x = 31,270.32 × 6,054.93
  4. Step 4: Simplify right side
    20,845.80x = 189,339,598.68
  5. Step 5: Solve for x
    x = 189,339,598.68/20,845.80
  6. Step 6: Final answer
    x = 9,082.87

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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.