Home / 35,905.23-49,548.38-19,989.36

Finding the Fourth Proportional to 35,905.23, 49,548.38 and 19,989.36

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Solution

The fourth proportional to 35,905.23, 49,548.38 and 19,989.36 is: 27,584.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.23 : 49,548.38 = 19,989.36 : x
  2. Step 2: Convert to fraction form
    35,905.23/49,548.38 = 19,989.36/x
  3. Step 3: Cross multiply
    35,905.23x = 49,548.38 × 19,989.36
  4. Step 4: Simplify right side
    35,905.23x = 990,440,305.29
  5. Step 5: Solve for x
    x = 990,440,305.29/35,905.23
  6. Step 6: Final answer
    x = 27,584.85

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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.