Home / 49,047.15-73,571.40-13,986.80

Finding the Fourth Proportional to 49,047.15, 73,571.40 and 13,986.80

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Solution

The fourth proportional to 49,047.15, 73,571.40 and 13,986.80 is: 20,980.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,047.15 : 73,571.40 = 13,986.80 : x
  2. Step 2: Convert to fraction form
    49,047.15/73,571.40 = 13,986.80/x
  3. Step 3: Cross multiply
    49,047.15x = 73,571.40 × 13,986.80
  4. Step 4: Simplify right side
    49,047.15x = 1,029,028,089.66
  5. Step 5: Solve for x
    x = 1,029,028,089.66/49,047.15
  6. Step 6: Final answer
    x = 20,980.38

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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.