Home / 51,618.15-71,238.44-28,963.26

Finding the Fourth Proportional to 51,618.15, 71,238.44 and 28,963.26

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Solution

The fourth proportional to 51,618.15, 71,238.44 and 28,963.26 is: 39,972.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,618.15 : 71,238.44 = 28,963.26 : x
  2. Step 2: Convert to fraction form
    51,618.15/71,238.44 = 28,963.26/x
  3. Step 3: Cross multiply
    51,618.15x = 71,238.44 × 28,963.26
  4. Step 4: Simplify right side
    51,618.15x = 2,063,297,314.90
  5. Step 5: Solve for x
    x = 2,063,297,314.90/51,618.15
  6. Step 6: Final answer
    x = 39,972.32

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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.