Home / 33,568.20-46,312.58-20,816.80

Finding the Fourth Proportional to 33,568.20, 46,312.58 and 20,816.80

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Solution

The fourth proportional to 33,568.20, 46,312.58 and 20,816.80 is: 28,720.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,568.20 : 46,312.58 = 20,816.80 : x
  2. Step 2: Convert to fraction form
    33,568.20/46,312.58 = 20,816.80/x
  3. Step 3: Cross multiply
    33,568.20x = 46,312.58 × 20,816.80
  4. Step 4: Simplify right side
    33,568.20x = 964,079,715.34
  5. Step 5: Solve for x
    x = 964,079,715.34/33,568.20
  6. Step 6: Final answer
    x = 28,720.03

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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.