Home / 35,166.72-52,771.68-18,538.80

Finding the Fourth Proportional to 35,166.72, 52,771.68 and 18,538.80

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Solution

The fourth proportional to 35,166.72, 52,771.68 and 18,538.80 is: 27,819.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,166.72 : 52,771.68 = 18,538.80 : x
  2. Step 2: Convert to fraction form
    35,166.72/52,771.68 = 18,538.80/x
  3. Step 3: Cross multiply
    35,166.72x = 52,771.68 × 18,538.80
  4. Step 4: Simplify right side
    35,166.72x = 978,323,621.18
  5. Step 5: Solve for x
    x = 978,323,621.18/35,166.72
  6. Step 6: Final answer
    x = 27,819.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.