Home / 39,728.61-54,873.99-29,701.55

Finding the Fourth Proportional to 39,728.61, 54,873.99 and 29,701.55

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Solution

The fourth proportional to 39,728.61, 54,873.99 and 29,701.55 is: 41,024.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,728.61 : 54,873.99 = 29,701.55 : x
  2. Step 2: Convert to fraction form
    39,728.61/54,873.99 = 29,701.55/x
  3. Step 3: Cross multiply
    39,728.61x = 54,873.99 × 29,701.55
  4. Step 4: Simplify right side
    39,728.61x = 1,629,842,694.87
  5. Step 5: Solve for x
    x = 1,629,842,694.87/39,728.61
  6. Step 6: Final answer
    x = 41,024.41

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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.