Home / 33,685.03-46,485.31-18,578.66

Finding the Fourth Proportional to 33,685.03, 46,485.31 and 18,578.66

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Solution

The fourth proportional to 33,685.03, 46,485.31 and 18,578.66 is: 25,638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,685.03 : 46,485.31 = 18,578.66 : x
  2. Step 2: Convert to fraction form
    33,685.03/46,485.31 = 18,578.66/x
  3. Step 3: Cross multiply
    33,685.03x = 46,485.31 × 18,578.66
  4. Step 4: Simplify right side
    33,685.03x = 863,634,676.59
  5. Step 5: Solve for x
    x = 863,634,676.59/33,685.03
  6. Step 6: Final answer
    x = 25,638.53

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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.