Home / 20,839.80-31,261.32-6,048.93

Finding the Fourth Proportional to 20,839.80, 31,261.32 and 6,048.93

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Solution

The fourth proportional to 20,839.80, 31,261.32 and 6,048.93 is: 9,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,839.80 : 31,261.32 = 6,048.93 : x
  2. Step 2: Convert to fraction form
    20,839.80/31,261.32 = 6,048.93/x
  3. Step 3: Cross multiply
    20,839.80x = 31,261.32 × 6,048.93
  4. Step 4: Simplify right side
    20,839.80x = 189,097,536.39
  5. Step 5: Solve for x
    x = 189,097,536.39/20,839.80
  6. Step 6: Final answer
    x = 9,073.87

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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.