Home / 35,450.42-48,906.20-21,102.21

Finding the Fourth Proportional to 35,450.42, 48,906.20 and 21,102.21

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Solution

The fourth proportional to 35,450.42, 48,906.20 and 21,102.21 is: 29,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,450.42 : 48,906.20 = 21,102.21 : x
  2. Step 2: Convert to fraction form
    35,450.42/48,906.20 = 21,102.21/x
  3. Step 3: Cross multiply
    35,450.42x = 48,906.20 × 21,102.21
  4. Step 4: Simplify right side
    35,450.42x = 1,032,028,797.19
  5. Step 5: Solve for x
    x = 1,032,028,797.19/35,450.42
  6. Step 6: Final answer
    x = 29,111.90

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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.