Home / 20,944.50-31,416.75-5,362.13

Finding the Fourth Proportional to 20,944.50, 31,416.75 and 5,362.13

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Solution

The fourth proportional to 20,944.50, 31,416.75 and 5,362.13 is: 8,043.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944.50 : 31,416.75 = 5,362.13 : x
  2. Step 2: Convert to fraction form
    20,944.50/31,416.75 = 5,362.13/x
  3. Step 3: Cross multiply
    20,944.50x = 31,416.75 × 5,362.13
  4. Step 4: Simplify right side
    20,944.50x = 168,460,540.59
  5. Step 5: Solve for x
    x = 168,460,540.59/20,944.50
  6. Step 6: Final answer
    x = 8,043.19

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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.