Home / 39,268.58-54,190.02-21,363.17

Finding the Fourth Proportional to 39,268.58, 54,190.02 and 21,363.17

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Solution

The fourth proportional to 39,268.58, 54,190.02 and 21,363.17 is: 29,480.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,268.58 : 54,190.02 = 21,363.17 : x
  2. Step 2: Convert to fraction form
    39,268.58/54,190.02 = 21,363.17/x
  3. Step 3: Cross multiply
    39,268.58x = 54,190.02 × 21,363.17
  4. Step 4: Simplify right side
    39,268.58x = 1,157,670,418.73
  5. Step 5: Solve for x
    x = 1,157,670,418.73/39,268.58
  6. Step 6: Final answer
    x = 29,480.84

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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.