Home / 42,584.98-63,834.18-17,638.60

Finding the Fourth Proportional to 42,584.98, 63,834.18 and 17,638.60

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Solution

The fourth proportional to 42,584.98, 63,834.18 and 17,638.60 is: 26,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,584.98 : 63,834.18 = 17,638.60 : x
  2. Step 2: Convert to fraction form
    42,584.98/63,834.18 = 17,638.60/x
  3. Step 3: Cross multiply
    42,584.98x = 63,834.18 × 17,638.60
  4. Step 4: Simplify right side
    42,584.98x = 1,125,945,567.35
  5. Step 5: Solve for x
    x = 1,125,945,567.35/42,584.98
  6. Step 6: Final answer
    x = 26,439.97

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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.