Home / 45,491.64-62,791.98-28,735.80

Finding the Fourth Proportional to 45,491.64, 62,791.98 and 28,735.80

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Solution

The fourth proportional to 45,491.64, 62,791.98 and 28,735.80 is: 39,663.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,491.64 : 62,791.98 = 28,735.80 : x
  2. Step 2: Convert to fraction form
    45,491.64/62,791.98 = 28,735.80/x
  3. Step 3: Cross multiply
    45,491.64x = 62,791.98 × 28,735.80
  4. Step 4: Simplify right side
    45,491.64x = 1,804,377,778.88
  5. Step 5: Solve for x
    x = 1,804,377,778.88/45,491.64
  6. Step 6: Final answer
    x = 39,663.94

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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.