Home / 35,783.61-49,382.93-19,868.07

Finding the Fourth Proportional to 35,783.61, 49,382.93 and 19,868.07

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Solution

The fourth proportional to 35,783.61, 49,382.93 and 19,868.07 is: 27,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,783.61 : 49,382.93 = 19,868.07 : x
  2. Step 2: Convert to fraction form
    35,783.61/49,382.93 = 19,868.07/x
  3. Step 3: Cross multiply
    35,783.61x = 49,382.93 × 19,868.07
  4. Step 4: Simplify right side
    35,783.61x = 981,143,410.70
  5. Step 5: Solve for x
    x = 981,143,410.70/35,783.61
  6. Step 6: Final answer
    x = 27,418.79

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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.