Home / 33,559.99-46,315.20-20,131.81

Finding the Fourth Proportional to 33,559.99, 46,315.20 and 20,131.81

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Solution

The fourth proportional to 33,559.99, 46,315.20 and 20,131.81 is: 27,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,559.99 : 46,315.20 = 20,131.81 : x
  2. Step 2: Convert to fraction form
    33,559.99/46,315.20 = 20,131.81/x
  3. Step 3: Cross multiply
    33,559.99x = 46,315.20 × 20,131.81
  4. Step 4: Simplify right side
    33,559.99x = 932,408,806.51
  5. Step 5: Solve for x
    x = 932,408,806.51/33,559.99
  6. Step 6: Final answer
    x = 27,783.35

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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.