Home / 39,702.77-54,790.31-22,706.75

Finding the Fourth Proportional to 39,702.77, 54,790.31 and 22,706.75

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Solution

The fourth proportional to 39,702.77, 54,790.31 and 22,706.75 is: 31,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,702.77 : 54,790.31 = 22,706.75 : x
  2. Step 2: Convert to fraction form
    39,702.77/54,790.31 = 22,706.75/x
  3. Step 3: Cross multiply
    39,702.77x = 54,790.31 × 22,706.75
  4. Step 4: Simplify right side
    39,702.77x = 1,244,109,871.59
  5. Step 5: Solve for x
    x = 1,244,109,871.59/39,702.77
  6. Step 6: Final answer
    x = 31,335.59

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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.