Home / 33,316.78-45,977.24-18,209.62

Finding the Fourth Proportional to 33,316.78, 45,977.24 and 18,209.62

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Solution

The fourth proportional to 33,316.78, 45,977.24 and 18,209.62 is: 25,129.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,316.78 : 45,977.24 = 18,209.62 : x
  2. Step 2: Convert to fraction form
    33,316.78/45,977.24 = 18,209.62/x
  3. Step 3: Cross multiply
    33,316.78x = 45,977.24 × 18,209.62
  4. Step 4: Simplify right side
    33,316.78x = 837,228,069.05
  5. Step 5: Solve for x
    x = 837,228,069.05/33,316.78
  6. Step 6: Final answer
    x = 25,129.32

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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.