Home / 33,419.64-46,119.09-18,515.64

Finding the Fourth Proportional to 33,419.64, 46,119.09 and 18,515.64

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Solution

The fourth proportional to 33,419.64, 46,119.09 and 18,515.64 is: 25,551.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,419.64 : 46,119.09 = 18,515.64 : x
  2. Step 2: Convert to fraction form
    33,419.64/46,119.09 = 18,515.64/x
  3. Step 3: Cross multiply
    33,419.64x = 46,119.09 × 18,515.64
  4. Step 4: Simplify right side
    33,419.64x = 853,924,467.57
  5. Step 5: Solve for x
    x = 853,924,467.57/33,419.64
  6. Step 6: Final answer
    x = 25,551.58

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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.