Home / 33,580.58-46,332.81-21,629.53

Finding the Fourth Proportional to 33,580.58, 46,332.81 and 21,629.53

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Solution

The fourth proportional to 33,580.58, 46,332.81 and 21,629.53 is: 29,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,580.58 : 46,332.81 = 21,629.53 : x
  2. Step 2: Convert to fraction form
    33,580.58/46,332.81 = 21,629.53/x
  3. Step 3: Cross multiply
    33,580.58x = 46,332.81 × 21,629.53
  4. Step 4: Simplify right side
    33,580.58x = 1,002,156,961.80
  5. Step 5: Solve for x
    x = 1,002,156,961.80/33,580.58
  6. Step 6: Final answer
    x = 29,843.35

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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.