Home / 20,837.70-31,260.60-6,047.10

Finding the Fourth Proportional to 20,837.70, 31,260.60 and 6,047.10

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Solution

The fourth proportional to 20,837.70, 31,260.60 and 6,047.10 is: 9,071.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837.70 : 31,260.60 = 6,047.10 : x
  2. Step 2: Convert to fraction form
    20,837.70/31,260.60 = 6,047.10/x
  3. Step 3: Cross multiply
    20,837.70x = 31,260.60 × 6,047.10
  4. Step 4: Simplify right side
    20,837.70x = 189,035,974.26
  5. Step 5: Solve for x
    x = 189,035,974.26/20,837.70
  6. Step 6: Final answer
    x = 9,071.83

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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.