Home / 33,431.49-46,135.17-18,324.99

Finding the Fourth Proportional to 33,431.49, 46,135.17 and 18,324.99

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Solution

The fourth proportional to 33,431.49, 46,135.17 and 18,324.99 is: 25,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,431.49 : 46,135.17 = 18,324.99 : x
  2. Step 2: Convert to fraction form
    33,431.49/46,135.17 = 18,324.99/x
  3. Step 3: Cross multiply
    33,431.49x = 46,135.17 × 18,324.99
  4. Step 4: Simplify right side
    33,431.49x = 845,426,528.90
  5. Step 5: Solve for x
    x = 845,426,528.90/33,431.49
  6. Step 6: Final answer
    x = 25,288.33

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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.