Home / 35,794.29-49,403.39-20,687.60

Finding the Fourth Proportional to 35,794.29, 49,403.39 and 20,687.60

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Solution

The fourth proportional to 35,794.29, 49,403.39 and 20,687.60 is: 28,553.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,794.29 : 49,403.39 = 20,687.60 : x
  2. Step 2: Convert to fraction form
    35,794.29/49,403.39 = 20,687.60/x
  3. Step 3: Cross multiply
    35,794.29x = 49,403.39 × 20,687.60
  4. Step 4: Simplify right side
    35,794.29x = 1,022,037,220.51
  5. Step 5: Solve for x
    x = 1,022,037,220.51/35,794.29
  6. Step 6: Final answer
    x = 28,553.08

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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.