Home / 20,238.06-30,353.38-5,443.51

Finding the Fourth Proportional to 20,238.06, 30,353.38 and 5,443.51

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Solution

The fourth proportional to 20,238.06, 30,353.38 and 5,443.51 is: 8,164.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238.06 : 30,353.38 = 5,443.51 : x
  2. Step 2: Convert to fraction form
    20,238.06/30,353.38 = 5,443.51/x
  3. Step 3: Cross multiply
    20,238.06x = 30,353.38 × 5,443.51
  4. Step 4: Simplify right side
    20,238.06x = 165,228,927.56
  5. Step 5: Solve for x
    x = 165,228,927.56/20,238.06
  6. Step 6: Final answer
    x = 8,164.27

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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.