Home / 33,439.26-46,145.55-18,331.50

Finding the Fourth Proportional to 33,439.26, 46,145.55 and 18,331.50

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Solution

The fourth proportional to 33,439.26, 46,145.55 and 18,331.50 is: 25,297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,439.26 : 46,145.55 = 18,331.50 : x
  2. Step 2: Convert to fraction form
    33,439.26/46,145.55 = 18,331.50/x
  3. Step 3: Cross multiply
    33,439.26x = 46,145.55 × 18,331.50
  4. Step 4: Simplify right side
    33,439.26x = 845,917,149.83
  5. Step 5: Solve for x
    x = 845,917,149.83/33,439.26
  6. Step 6: Final answer
    x = 25,297.13

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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.