Home / 36,556.76-50,447.94-20,640.26

Finding the Fourth Proportional to 36,556.76, 50,447.94 and 20,640.26

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Solution

The fourth proportional to 36,556.76, 50,447.94 and 20,640.26 is: 28,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,556.76 : 50,447.94 = 20,640.26 : x
  2. Step 2: Convert to fraction form
    36,556.76/50,447.94 = 20,640.26/x
  3. Step 3: Cross multiply
    36,556.76x = 50,447.94 × 20,640.26
  4. Step 4: Simplify right side
    36,556.76x = 1,041,258,598.06
  5. Step 5: Solve for x
    x = 1,041,258,598.06/36,556.76
  6. Step 6: Final answer
    x = 28,483.34

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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.