Home / 36,640.76-50,566.68-20,725.20

Finding the Fourth Proportional to 36,640.76, 50,566.68 and 20,725.20

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Solution

The fourth proportional to 36,640.76, 50,566.68 and 20,725.20 is: 28,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,640.76 : 50,566.68 = 20,725.20 : x
  2. Step 2: Convert to fraction form
    36,640.76/50,566.68 = 20,725.20/x
  3. Step 3: Cross multiply
    36,640.76x = 50,566.68 × 20,725.20
  4. Step 4: Simplify right side
    36,640.76x = 1,048,004,556.34
  5. Step 5: Solve for x
    x = 1,048,004,556.34/36,640.76
  6. Step 6: Final answer
    x = 28,602.16

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Double scale
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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.