Home / 57,949.44-79,971.36-37,819.20

Finding the Fourth Proportional to 57,949.44, 79,971.36 and 37,819.20

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Solution

The fourth proportional to 57,949.44, 79,971.36 and 37,819.20 is: 52,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,949.44 : 79,971.36 = 37,819.20 : x
  2. Step 2: Convert to fraction form
    57,949.44/79,971.36 = 37,819.20/x
  3. Step 3: Cross multiply
    57,949.44x = 79,971.36 × 37,819.20
  4. Step 4: Simplify right side
    57,949.44x = 3,024,452,858.11
  5. Step 5: Solve for x
    x = 3,024,452,858.11/57,949.44
  6. Step 6: Final answer
    x = 52,191.24

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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.