Home / 33,630.57-46,414.63-21,728.53

Finding the Fourth Proportional to 33,630.57, 46,414.63 and 21,728.53

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Solution

The fourth proportional to 33,630.57, 46,414.63 and 21,728.53 is: 29,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,630.57 : 46,414.63 = 21,728.53 : x
  2. Step 2: Convert to fraction form
    33,630.57/46,414.63 = 21,728.53/x
  3. Step 3: Cross multiply
    33,630.57x = 46,414.63 × 21,728.53
  4. Step 4: Simplify right side
    33,630.57x = 1,008,521,680.39
  5. Step 5: Solve for x
    x = 1,008,521,680.39/33,630.57
  6. Step 6: Final answer
    x = 29,988.24

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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.