Home / 35,351.76-48,785.13-20,247.15

Finding the Fourth Proportional to 35,351.76, 48,785.13 and 20,247.15

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Solution

The fourth proportional to 35,351.76, 48,785.13 and 20,247.15 is: 27,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,351.76 : 48,785.13 = 20,247.15 : x
  2. Step 2: Convert to fraction form
    35,351.76/48,785.13 = 20,247.15/x
  3. Step 3: Cross multiply
    35,351.76x = 48,785.13 × 20,247.15
  4. Step 4: Simplify right side
    35,351.76x = 987,759,844.88
  5. Step 5: Solve for x
    x = 987,759,844.88/35,351.76
  6. Step 6: Final answer
    x = 27,940.90

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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.