Home / 35,091.36-48,435.84-21,664.80

Finding the Fourth Proportional to 35,091.36, 48,435.84 and 21,664.80

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Solution

The fourth proportional to 35,091.36, 48,435.84 and 21,664.80 is: 29,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,091.36 : 48,435.84 = 21,664.80 : x
  2. Step 2: Convert to fraction form
    35,091.36/48,435.84 = 21,664.80/x
  3. Step 3: Cross multiply
    35,091.36x = 48,435.84 × 21,664.80
  4. Step 4: Simplify right side
    35,091.36x = 1,049,352,786.43
  5. Step 5: Solve for x
    x = 1,049,352,786.43/35,091.36
  6. Step 6: Final answer
    x = 29,903.45

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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.