Home / 35,727.24-49,305.12-19,811.70

Finding the Fourth Proportional to 35,727.24, 49,305.12 and 19,811.70

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Solution

The fourth proportional to 35,727.24, 49,305.12 and 19,811.70 is: 27,340.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,727.24 : 49,305.12 = 19,811.70 : x
  2. Step 2: Convert to fraction form
    35,727.24/49,305.12 = 19,811.70/x
  3. Step 3: Cross multiply
    35,727.24x = 49,305.12 × 19,811.70
  4. Step 4: Simplify right side
    35,727.24x = 976,818,245.90
  5. Step 5: Solve for x
    x = 976,818,245.90/35,727.24
  6. Step 6: Final answer
    x = 27,340.99

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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.