Home / 34,342.85-47,387.62-19,236.15

Finding the Fourth Proportional to 34,342.85, 47,387.62 and 19,236.15

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Solution

The fourth proportional to 34,342.85, 47,387.62 and 19,236.15 is: 26,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,342.85 : 47,387.62 = 19,236.15 : x
  2. Step 2: Convert to fraction form
    34,342.85/47,387.62 = 19,236.15/x
  3. Step 3: Cross multiply
    34,342.85x = 47,387.62 × 19,236.15
  4. Step 4: Simplify right side
    34,342.85x = 911,555,163.54
  5. Step 5: Solve for x
    x = 911,555,163.54/34,342.85
  6. Step 6: Final answer
    x = 26,542.79

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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.