Home / 20,768.19-31,120.38-14,096.01

Finding the Fourth Proportional to 20,768.19, 31,120.38 and 14,096.01

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Solution

The fourth proportional to 20,768.19, 31,120.38 and 14,096.01 is: 21,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,768.19 : 31,120.38 = 14,096.01 : x
  2. Step 2: Convert to fraction form
    20,768.19/31,120.38 = 14,096.01/x
  3. Step 3: Cross multiply
    20,768.19x = 31,120.38 × 14,096.01
  4. Step 4: Simplify right side
    20,768.19x = 438,673,187.68
  5. Step 5: Solve for x
    x = 438,673,187.68/20,768.19
  6. Step 6: Final answer
    x = 21,122.36

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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.