Home / 33,396.68-46,039.93-20,642.67

Finding the Fourth Proportional to 33,396.68, 46,039.93 and 20,642.67

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Solution

The fourth proportional to 33,396.68, 46,039.93 and 20,642.67 is: 28,457.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,396.68 : 46,039.93 = 20,642.67 : x
  2. Step 2: Convert to fraction form
    33,396.68/46,039.93 = 20,642.67/x
  3. Step 3: Cross multiply
    33,396.68x = 46,039.93 × 20,642.67
  4. Step 4: Simplify right side
    33,396.68x = 950,387,030.21
  5. Step 5: Solve for x
    x = 950,387,030.21/33,396.68
  6. Step 6: Final answer
    x = 28,457.53

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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.