Home / 35,550.54-49,037.49-21,200.31

Finding the Fourth Proportional to 35,550.54, 49,037.49 and 21,200.31

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Solution

The fourth proportional to 35,550.54, 49,037.49 and 21,200.31 is: 29,243.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,550.54 : 49,037.49 = 21,200.31 : x
  2. Step 2: Convert to fraction form
    35,550.54/49,037.49 = 21,200.31/x
  3. Step 3: Cross multiply
    35,550.54x = 49,037.49 × 21,200.31
  4. Step 4: Simplify right side
    35,550.54x = 1,039,609,989.62
  5. Step 5: Solve for x
    x = 1,039,609,989.62/35,550.54
  6. Step 6: Final answer
    x = 29,243.16

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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.