Home / 33,419.07-46,110.20-18,515.07

Finding the Fourth Proportional to 33,419.07, 46,110.20 and 18,515.07

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Solution

The fourth proportional to 33,419.07, 46,110.20 and 18,515.07 is: 25,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,419.07 : 46,110.20 = 18,515.07 : x
  2. Step 2: Convert to fraction form
    33,419.07/46,110.20 = 18,515.07/x
  3. Step 3: Cross multiply
    33,419.07x = 46,110.20 × 18,515.07
  4. Step 4: Simplify right side
    33,419.07x = 853,733,488.14
  5. Step 5: Solve for x
    x = 853,733,488.14/33,419.07
  6. Step 6: Final answer
    x = 25,546.30

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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.