Home / 33,720.99-46,536.57-19,578.39

Finding the Fourth Proportional to 33,720.99, 46,536.57 and 19,578.39

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Solution

The fourth proportional to 33,720.99, 46,536.57 and 19,578.39 is: 27,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,720.99 : 46,536.57 = 19,578.39 : x
  2. Step 2: Convert to fraction form
    33,720.99/46,536.57 = 19,578.39/x
  3. Step 3: Cross multiply
    33,720.99x = 46,536.57 × 19,578.39
  4. Step 4: Simplify right side
    33,720.99x = 911,111,116.72
  5. Step 5: Solve for x
    x = 911,111,116.72/33,720.99
  6. Step 6: Final answer
    x = 27,019.11

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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.