Home / 48,190.50-66,509.90-27,768.60

Finding the Fourth Proportional to 48,190.50, 66,509.90 and 27,768.60

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Solution

The fourth proportional to 48,190.50, 66,509.90 and 27,768.60 is: 38,324.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,190.50 : 66,509.90 = 27,768.60 : x
  2. Step 2: Convert to fraction form
    48,190.50/66,509.90 = 27,768.60/x
  3. Step 3: Cross multiply
    48,190.50x = 66,509.90 × 27,768.60
  4. Step 4: Simplify right side
    48,190.50x = 1,846,886,670.30
  5. Step 5: Solve for x
    x = 1,846,886,670.30/48,190.50
  6. Step 6: Final answer
    x = 38,324.70

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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.