Home / 33,620.48-46,395.88-18,512.80

Finding the Fourth Proportional to 33,620.48, 46,395.88 and 18,512.80

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Solution

The fourth proportional to 33,620.48, 46,395.88 and 18,512.80 is: 25,547.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,620.48 : 46,395.88 = 18,512.80 : x
  2. Step 2: Convert to fraction form
    33,620.48/46,395.88 = 18,512.80/x
  3. Step 3: Cross multiply
    33,620.48x = 46,395.88 × 18,512.80
  4. Step 4: Simplify right side
    33,620.48x = 858,917,647.26
  5. Step 5: Solve for x
    x = 858,917,647.26/33,620.48
  6. Step 6: Final answer
    x = 25,547.45

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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.