Home / 20,023.97-30,036.44-9,491.45

Finding the Fourth Proportional to 20,023.97, 30,036.44 and 9,491.45

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Solution

The fourth proportional to 20,023.97, 30,036.44 and 9,491.45 is: 14,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.97 : 30,036.44 = 9,491.45 : x
  2. Step 2: Convert to fraction form
    20,023.97/30,036.44 = 9,491.45/x
  3. Step 3: Cross multiply
    20,023.97x = 30,036.44 × 9,491.45
  4. Step 4: Simplify right side
    20,023.97x = 285,089,241.98
  5. Step 5: Solve for x
    x = 285,089,241.98/20,023.97
  6. Step 6: Final answer
    x = 14,237.40

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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.