Home / 35,612.64-49,147.68-19,697.16

Finding the Fourth Proportional to 35,612.64, 49,147.68 and 19,697.16

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Solution

The fourth proportional to 35,612.64, 49,147.68 and 19,697.16 is: 27,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,612.64 : 49,147.68 = 19,697.16 : x
  2. Step 2: Convert to fraction form
    35,612.64/49,147.68 = 19,697.16/x
  3. Step 3: Cross multiply
    35,612.64x = 49,147.68 × 19,697.16
  4. Step 4: Simplify right side
    35,612.64x = 968,069,716.59
  5. Step 5: Solve for x
    x = 968,069,716.59/35,612.64
  6. Step 6: Final answer
    x = 27,183.32

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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.