Home / 36,309.52-50,069.16-28,743.76

Finding the Fourth Proportional to 36,309.52, 50,069.16 and 28,743.76

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Solution

The fourth proportional to 36,309.52, 50,069.16 and 28,743.76 is: 39,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,309.52 : 50,069.16 = 28,743.76 : x
  2. Step 2: Convert to fraction form
    36,309.52/50,069.16 = 28,743.76/x
  3. Step 3: Cross multiply
    36,309.52x = 50,069.16 × 28,743.76
  4. Step 4: Simplify right side
    36,309.52x = 1,439,175,918.44
  5. Step 5: Solve for x
    x = 1,439,175,918.44/36,309.52
  6. Step 6: Final answer
    x = 39,636.32

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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.