Home / 34,187.88-47,166.66-20,035.56

Finding the Fourth Proportional to 34,187.88, 47,166.66 and 20,035.56

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Solution

The fourth proportional to 34,187.88, 47,166.66 and 20,035.56 is: 27,641.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,187.88 : 47,166.66 = 20,035.56 : x
  2. Step 2: Convert to fraction form
    34,187.88/47,166.66 = 20,035.56/x
  3. Step 3: Cross multiply
    34,187.88x = 47,166.66 × 20,035.56
  4. Step 4: Simplify right side
    34,187.88x = 945,010,446.43
  5. Step 5: Solve for x
    x = 945,010,446.43/34,187.88
  6. Step 6: Final answer
    x = 27,641.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.