Home / 33,427.89-46,130.21-18,321.49

Finding the Fourth Proportional to 33,427.89, 46,130.21 and 18,321.49

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Solution

The fourth proportional to 33,427.89, 46,130.21 and 18,321.49 is: 25,283.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,427.89 : 46,130.21 = 18,321.49 : x
  2. Step 2: Convert to fraction form
    33,427.89/46,130.21 = 18,321.49/x
  3. Step 3: Cross multiply
    33,427.89x = 46,130.21 × 18,321.49
  4. Step 4: Simplify right side
    33,427.89x = 845,174,215.97
  5. Step 5: Solve for x
    x = 845,174,215.97/33,427.89
  6. Step 6: Final answer
    x = 25,283.50

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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.