Home / 40,147.14-60,221.31-15,198.93

Finding the Fourth Proportional to 40,147.14, 60,221.31 and 15,198.93

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Solution

The fourth proportional to 40,147.14, 60,221.31 and 15,198.93 is: 22,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,147.14 : 60,221.31 = 15,198.93 : x
  2. Step 2: Convert to fraction form
    40,147.14/60,221.31 = 15,198.93/x
  3. Step 3: Cross multiply
    40,147.14x = 60,221.31 × 15,198.93
  4. Step 4: Simplify right side
    40,147.14x = 915,299,475.20
  5. Step 5: Solve for x
    x = 915,299,475.20/40,147.14
  6. Step 6: Final answer
    x = 22,798.62

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1.5x scale

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.