Home / 33,720.25-46,533.24-18,406.29

Finding the Fourth Proportional to 33,720.25, 46,533.24 and 18,406.29

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Solution

The fourth proportional to 33,720.25, 46,533.24 and 18,406.29 is: 25,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,720.25 : 46,533.24 = 18,406.29 : x
  2. Step 2: Convert to fraction form
    33,720.25/46,533.24 = 18,406.29/x
  3. Step 3: Cross multiply
    33,720.25x = 46,533.24 × 18,406.29
  4. Step 4: Simplify right side
    33,720.25x = 856,504,310.08
  5. Step 5: Solve for x
    x = 856,504,310.08/33,720.25
  6. Step 6: Final answer
    x = 25,400.30

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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.