Home / 20,734.90-31,097.76-5,940.52

Finding the Fourth Proportional to 20,734.90, 31,097.76 and 5,940.52

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Solution

The fourth proportional to 20,734.90, 31,097.76 and 5,940.52 is: 8,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734.90 : 31,097.76 = 5,940.52 : x
  2. Step 2: Convert to fraction form
    20,734.90/31,097.76 = 5,940.52/x
  3. Step 3: Cross multiply
    20,734.90x = 31,097.76 × 5,940.52
  4. Step 4: Simplify right side
    20,734.90x = 184,736,865.24
  5. Step 5: Solve for x
    x = 184,736,865.24/20,734.90
  6. Step 6: Final answer
    x = 8,909.46

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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.