Home / 36,919.60-50,949.75-21,004.18

Finding the Fourth Proportional to 36,919.60, 50,949.75 and 21,004.18

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Solution

The fourth proportional to 36,919.60, 50,949.75 and 21,004.18 is: 28,986.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,919.60 : 50,949.75 = 21,004.18 : x
  2. Step 2: Convert to fraction form
    36,919.60/50,949.75 = 21,004.18/x
  3. Step 3: Cross multiply
    36,919.60x = 50,949.75 × 21,004.18
  4. Step 4: Simplify right side
    36,919.60x = 1,070,157,719.96
  5. Step 5: Solve for x
    x = 1,070,157,719.96/36,919.60
  6. Step 6: Final answer
    x = 28,986.17

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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.