Home / 20,550.74-30,766.02-18,580.94

Finding the Fourth Proportional to 20,550.74, 30,766.02 and 18,580.94

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Solution

The fourth proportional to 20,550.74, 30,766.02 and 18,580.94 is: 27,817.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.74 : 30,766.02 = 18,580.94 : x
  2. Step 2: Convert to fraction form
    20,550.74/30,766.02 = 18,580.94/x
  3. Step 3: Cross multiply
    20,550.74x = 30,766.02 × 18,580.94
  4. Step 4: Simplify right side
    20,550.74x = 571,661,571.66
  5. Step 5: Solve for x
    x = 571,661,571.66/20,550.74
  6. Step 6: Final answer
    x = 27,817.08

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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.