Home / 20,735.90-31,099.26-5,941.52

Finding the Fourth Proportional to 20,735.90, 31,099.26 and 5,941.52

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Solution

The fourth proportional to 20,735.90, 31,099.26 and 5,941.52 is: 8,910.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735.90 : 31,099.26 = 5,941.52 : x
  2. Step 2: Convert to fraction form
    20,735.90/31,099.26 = 5,941.52/x
  3. Step 3: Cross multiply
    20,735.90x = 31,099.26 × 5,941.52
  4. Step 4: Simplify right side
    20,735.90x = 184,776,875.28
  5. Step 5: Solve for x
    x = 184,776,875.28/20,735.90
  6. Step 6: Final answer
    x = 8,910.96

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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.