Home / 35,230.07-48,615.66-20,119.76

Finding the Fourth Proportional to 35,230.07, 48,615.66 and 20,119.76

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Solution

The fourth proportional to 35,230.07, 48,615.66 and 20,119.76 is: 27,764.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,230.07 : 48,615.66 = 20,119.76 : x
  2. Step 2: Convert to fraction form
    35,230.07/48,615.66 = 20,119.76/x
  3. Step 3: Cross multiply
    35,230.07x = 48,615.66 × 20,119.76
  4. Step 4: Simplify right side
    35,230.07x = 978,135,168.36
  5. Step 5: Solve for x
    x = 978,135,168.36/35,230.07
  6. Step 6: Final answer
    x = 27,764.22

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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.