Home / 33,621.27-46,397.69-18,515.33

Finding the Fourth Proportional to 33,621.27, 46,397.69 and 18,515.33

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Solution

The fourth proportional to 33,621.27, 46,397.69 and 18,515.33 is: 25,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,621.27 : 46,397.69 = 18,515.33 : x
  2. Step 2: Convert to fraction form
    33,621.27/46,397.69 = 18,515.33/x
  3. Step 3: Cross multiply
    33,621.27x = 46,397.69 × 18,515.33
  4. Step 4: Simplify right side
    33,621.27x = 859,068,460.45
  5. Step 5: Solve for x
    x = 859,068,460.45/33,621.27
  6. Step 6: Final answer
    x = 25,551.34

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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.