Home / 35,783.12-49,382.24-19,867.57

Finding the Fourth Proportional to 35,783.12, 49,382.24 and 19,867.57

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Solution

The fourth proportional to 35,783.12, 49,382.24 and 19,867.57 is: 27,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,783.12 : 49,382.24 = 19,867.57 : x
  2. Step 2: Convert to fraction form
    35,783.12/49,382.24 = 19,867.57/x
  3. Step 3: Cross multiply
    35,783.12x = 49,382.24 × 19,867.57
  4. Step 4: Simplify right side
    35,783.12x = 981,104,863.05
  5. Step 5: Solve for x
    x = 981,104,863.05/35,783.12
  6. Step 6: Final answer
    x = 27,418.10

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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.