Home / 39,294.72-58,951.80-18,513.36

Finding the Fourth Proportional to 39,294.72, 58,951.80 and 18,513.36

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Solution

The fourth proportional to 39,294.72, 58,951.80 and 18,513.36 is: 27,774.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,294.72 : 58,951.80 = 18,513.36 : x
  2. Step 2: Convert to fraction form
    39,294.72/58,951.80 = 18,513.36/x
  3. Step 3: Cross multiply
    39,294.72x = 58,951.80 × 18,513.36
  4. Step 4: Simplify right side
    39,294.72x = 1,091,395,896.05
  5. Step 5: Solve for x
    x = 1,091,395,896.05/39,294.72
  6. Step 6: Final answer
    x = 27,774.62

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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.