Home / 35,728.04-49,305.84-19,813.97

Finding the Fourth Proportional to 35,728.04, 49,305.84 and 19,813.97

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Solution

The fourth proportional to 35,728.04, 49,305.84 and 19,813.97 is: 27,343.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,728.04 : 49,305.84 = 19,813.97 : x
  2. Step 2: Convert to fraction form
    35,728.04/49,305.84 = 19,813.97/x
  3. Step 3: Cross multiply
    35,728.04x = 49,305.84 × 19,813.97
  4. Step 4: Simplify right side
    35,728.04x = 976,944,434.58
  5. Step 5: Solve for x
    x = 976,944,434.58/35,728.04
  6. Step 6: Final answer
    x = 27,343.91

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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.