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Finding the Fourth Proportional to 36,603.21, 50,512.99 and 21,496.19

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Solution

The fourth proportional to 36,603.21, 50,512.99 and 21,496.19 is: 29,665.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,603.21 : 50,512.99 = 21,496.19 : x
  2. Step 2: Convert to fraction form
    36,603.21/50,512.99 = 21,496.19/x
  3. Step 3: Cross multiply
    36,603.21x = 50,512.99 × 21,496.19
  4. Step 4: Simplify right side
    36,603.21x = 1,085,836,830.51
  5. Step 5: Solve for x
    x = 1,085,836,830.51/36,603.21
  6. Step 6: Final answer
    x = 29,665.07

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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.