Home / 33,457.74-46,172.07-20,889.78

Finding the Fourth Proportional to 33,457.74, 46,172.07 and 20,889.78

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Solution

The fourth proportional to 33,457.74, 46,172.07 and 20,889.78 is: 28,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,457.74 : 46,172.07 = 20,889.78 : x
  2. Step 2: Convert to fraction form
    33,457.74/46,172.07 = 20,889.78/x
  3. Step 3: Cross multiply
    33,457.74x = 46,172.07 × 20,889.78
  4. Step 4: Simplify right side
    33,457.74x = 964,524,384.44
  5. Step 5: Solve for x
    x = 964,524,384.44/33,457.74
  6. Step 6: Final answer
    x = 28,828.14

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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.