Home / 35,224.22-48,612.78-20,119.13

Finding the Fourth Proportional to 35,224.22, 48,612.78 and 20,119.13

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Solution

The fourth proportional to 35,224.22, 48,612.78 and 20,119.13 is: 27,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,224.22 : 48,612.78 = 20,119.13 : x
  2. Step 2: Convert to fraction form
    35,224.22/48,612.78 = 20,119.13/x
  3. Step 3: Cross multiply
    35,224.22x = 48,612.78 × 20,119.13
  4. Step 4: Simplify right side
    35,224.22x = 978,047,109.75
  5. Step 5: Solve for x
    x = 978,047,109.75/35,224.22
  6. Step 6: Final answer
    x = 27,766.33

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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.