Home / 33,542.25-46,288.40-18,638.25

Finding the Fourth Proportional to 33,542.25, 46,288.40 and 18,638.25

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Solution

The fourth proportional to 33,542.25, 46,288.40 and 18,638.25 is: 25,720.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,542.25 : 46,288.40 = 18,638.25 : x
  2. Step 2: Convert to fraction form
    33,542.25/46,288.40 = 18,638.25/x
  3. Step 3: Cross multiply
    33,542.25x = 46,288.40 × 18,638.25
  4. Step 4: Simplify right side
    33,542.25x = 862,734,678.11
  5. Step 5: Solve for x
    x = 862,734,678.11/33,542.25
  6. Step 6: Final answer
    x = 25,720.84

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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.