Home / 35,415.09-48,872.97-21,268.17

Finding the Fourth Proportional to 35,415.09, 48,872.97 and 21,268.17

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Solution

The fourth proportional to 35,415.09, 48,872.97 and 21,268.17 is: 29,350.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,415.09 : 48,872.97 = 21,268.17 : x
  2. Step 2: Convert to fraction form
    35,415.09/48,872.97 = 21,268.17/x
  3. Step 3: Cross multiply
    35,415.09x = 48,872.97 × 21,268.17
  4. Step 4: Simplify right side
    35,415.09x = 1,039,438,634.36
  5. Step 5: Solve for x
    x = 1,039,438,634.36/35,415.09
  6. Step 6: Final answer
    x = 29,350.16

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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.