Home / 29,162.72-40,147.20-27,823.68

Finding the Fourth Proportional to 29,162.72, 40,147.20 and 27,823.68

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Solution

The fourth proportional to 29,162.72, 40,147.20 and 27,823.68 is: 38,303.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,162.72 : 40,147.20 = 27,823.68 : x
  2. Step 2: Convert to fraction form
    29,162.72/40,147.20 = 27,823.68/x
  3. Step 3: Cross multiply
    29,162.72x = 40,147.20 × 27,823.68
  4. Step 4: Simplify right side
    29,162.72x = 1,117,042,845.70
  5. Step 5: Solve for x
    x = 1,117,042,845.70/29,162.72
  6. Step 6: Final answer
    x = 38,303.79

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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.