Home / 33,758.60-46,588.02-21,190.28

Finding the Fourth Proportional to 33,758.60, 46,588.02 and 21,190.28

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Solution

The fourth proportional to 33,758.60, 46,588.02 and 21,190.28 is: 29,243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,758.60 : 46,588.02 = 21,190.28 : x
  2. Step 2: Convert to fraction form
    33,758.60/46,588.02 = 21,190.28/x
  3. Step 3: Cross multiply
    33,758.60x = 46,588.02 × 21,190.28
  4. Step 4: Simplify right side
    33,758.60x = 987,213,188.45
  5. Step 5: Solve for x
    x = 987,213,188.45/33,758.60
  6. Step 6: Final answer
    x = 29,243.31

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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.