Home / 35,617.68-49,148.64-19,699.60

Finding the Fourth Proportional to 35,617.68, 49,148.64 and 19,699.60

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Solution

The fourth proportional to 35,617.68, 49,148.64 and 19,699.60 is: 27,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,617.68 : 49,148.64 = 19,699.60 : x
  2. Step 2: Convert to fraction form
    35,617.68/49,148.64 = 19,699.60/x
  3. Step 3: Cross multiply
    35,617.68x = 49,148.64 × 19,699.60
  4. Step 4: Simplify right side
    35,617.68x = 968,208,548.54
  5. Step 5: Solve for x
    x = 968,208,548.54/35,617.68
  6. Step 6: Final answer
    x = 27,183.37

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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.