Home / 53,651.52-74,035.62-29,778.20

Finding the Fourth Proportional to 53,651.52, 74,035.62 and 29,778.20

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Solution

The fourth proportional to 53,651.52, 74,035.62 and 29,778.20 is: 41,091.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,651.52 : 74,035.62 = 29,778.20 : x
  2. Step 2: Convert to fraction form
    53,651.52/74,035.62 = 29,778.20/x
  3. Step 3: Cross multiply
    53,651.52x = 74,035.62 × 29,778.20
  4. Step 4: Simplify right side
    53,651.52x = 2,204,647,499.48
  5. Step 5: Solve for x
    x = 2,204,647,499.48/53,651.52
  6. Step 6: Final answer
    x = 41,091.99

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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.