Home / 35,121.06-48,465.36-20,014.38

Finding the Fourth Proportional to 35,121.06, 48,465.36 and 20,014.38

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Solution

The fourth proportional to 35,121.06, 48,465.36 and 20,014.38 is: 27,618.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,121.06 : 48,465.36 = 20,014.38 : x
  2. Step 2: Convert to fraction form
    35,121.06/48,465.36 = 20,014.38/x
  3. Step 3: Cross multiply
    35,121.06x = 48,465.36 × 20,014.38
  4. Step 4: Simplify right side
    35,121.06x = 970,004,131.88
  5. Step 5: Solve for x
    x = 970,004,131.88/35,121.06
  6. Step 6: Final answer
    x = 27,618.87

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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.