Home / 20,810.48-31,211.10-6,016.16

Finding the Fourth Proportional to 20,810.48, 31,211.10 and 6,016.16

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Solution

The fourth proportional to 20,810.48, 31,211.10 and 6,016.16 is: 9,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,810.48 : 31,211.10 = 6,016.16 : x
  2. Step 2: Convert to fraction form
    20,810.48/31,211.10 = 6,016.16/x
  3. Step 3: Cross multiply
    20,810.48x = 31,211.10 × 6,016.16
  4. Step 4: Simplify right side
    20,810.48x = 187,770,971.38
  5. Step 5: Solve for x
    x = 187,770,971.38/20,810.48
  6. Step 6: Final answer
    x = 9,022.90

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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.