Home / 35,347.78-48,782.82-20,245.33

Finding the Fourth Proportional to 35,347.78, 48,782.82 and 20,245.33

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Solution

The fourth proportional to 35,347.78, 48,782.82 and 20,245.33 is: 27,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,347.78 : 48,782.82 = 20,245.33 : x
  2. Step 2: Convert to fraction form
    35,347.78/48,782.82 = 20,245.33/x
  3. Step 3: Cross multiply
    35,347.78x = 48,782.82 × 20,245.33
  4. Step 4: Simplify right side
    35,347.78x = 987,624,289.23
  5. Step 5: Solve for x
    x = 987,624,289.23/35,347.78
  6. Step 6: Final answer
    x = 27,940.21

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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.