Home / 51,745.50-77,618.97-14,809.50

Finding the Fourth Proportional to 51,745.50, 77,618.97 and 14,809.50

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Solution

The fourth proportional to 51,745.50, 77,618.97 and 14,809.50 is: 22,214.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,745.50 : 77,618.97 = 14,809.50 : x
  2. Step 2: Convert to fraction form
    51,745.50/77,618.97 = 14,809.50/x
  3. Step 3: Cross multiply
    51,745.50x = 77,618.97 × 14,809.50
  4. Step 4: Simplify right side
    51,745.50x = 1,149,498,136.22
  5. Step 5: Solve for x
    x = 1,149,498,136.22/51,745.50
  6. Step 6: Final answer
    x = 22,214.46

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Double scale
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Similar ratio
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1.5x scale

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.