Home / 35,905.96-49,551.86-19,991.42

Finding the Fourth Proportional to 35,905.96, 49,551.86 and 19,991.42

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Solution

The fourth proportional to 35,905.96, 49,551.86 and 19,991.42 is: 27,589.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.96 : 49,551.86 = 19,991.42 : x
  2. Step 2: Convert to fraction form
    35,905.96/49,551.86 = 19,991.42/x
  3. Step 3: Cross multiply
    35,905.96x = 49,551.86 × 19,991.42
  4. Step 4: Simplify right side
    35,905.96x = 990,612,045.04
  5. Step 5: Solve for x
    x = 990,612,045.04/35,905.96
  6. Step 6: Final answer
    x = 27,589.07

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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.