Home / 20,061.24-30,091.84-6,917.36

Finding the Fourth Proportional to 20,061.24, 30,091.84 and 6,917.36

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Solution

The fourth proportional to 20,061.24, 30,091.84 and 6,917.36 is: 10,376.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061.24 : 30,091.84 = 6,917.36 : x
  2. Step 2: Convert to fraction form
    20,061.24/30,091.84 = 6,917.36/x
  3. Step 3: Cross multiply
    20,061.24x = 30,091.84 × 6,917.36
  4. Step 4: Simplify right side
    20,061.24x = 208,156,090.34
  5. Step 5: Solve for x
    x = 208,156,090.34/20,061.24
  6. Step 6: Final answer
    x = 10,376.03

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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.