Home / 33,688.98-46,490.71-20,268.02

Finding the Fourth Proportional to 33,688.98, 46,490.71 and 20,268.02

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Solution

The fourth proportional to 33,688.98, 46,490.71 and 20,268.02 is: 27,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,688.98 : 46,490.71 = 20,268.02 : x
  2. Step 2: Convert to fraction form
    33,688.98/46,490.71 = 20,268.02/x
  3. Step 3: Cross multiply
    33,688.98x = 46,490.71 × 20,268.02
  4. Step 4: Simplify right side
    33,688.98x = 942,274,640.09
  5. Step 5: Solve for x
    x = 942,274,640.09/33,688.98
  6. Step 6: Final answer
    x = 27,969.82

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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.