Home / 35,455.82-53,133.57-19,667.79

Finding the Fourth Proportional to 35,455.82, 53,133.57 and 19,667.79

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Solution

The fourth proportional to 35,455.82, 53,133.57 and 19,667.79 is: 29,473.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455.82 : 53,133.57 = 19,667.79 : x
  2. Step 2: Convert to fraction form
    35,455.82/53,133.57 = 19,667.79/x
  3. Step 3: Cross multiply
    35,455.82x = 53,133.57 × 19,667.79
  4. Step 4: Simplify right side
    35,455.82x = 1,045,019,896.71
  5. Step 5: Solve for x
    x = 1,045,019,896.71/35,455.82
  6. Step 6: Final answer
    x = 29,473.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.