Home / 27,150.48-40,764.60-20,152.08

Finding the Fourth Proportional to 27,150.48, 40,764.60 and 20,152.08

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Solution

The fourth proportional to 27,150.48, 40,764.60 and 20,152.08 is: 30,256.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150.48 : 40,764.60 = 20,152.08 : x
  2. Step 2: Convert to fraction form
    27,150.48/40,764.60 = 20,152.08/x
  3. Step 3: Cross multiply
    27,150.48x = 40,764.60 × 20,152.08
  4. Step 4: Simplify right side
    27,150.48x = 821,491,480.37
  5. Step 5: Solve for x
    x = 821,491,480.37/27,150.48
  6. Step 6: Final answer
    x = 30,256.98

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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.