Home / 36,355.28-54,435.67-21,350.03

Finding the Fourth Proportional to 36,355.28, 54,435.67 and 21,350.03

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Solution

The fourth proportional to 36,355.28, 54,435.67 and 21,350.03 is: 31,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,355.28 : 54,435.67 = 21,350.03 : x
  2. Step 2: Convert to fraction form
    36,355.28/54,435.67 = 21,350.03/x
  3. Step 3: Cross multiply
    36,355.28x = 54,435.67 × 21,350.03
  4. Step 4: Simplify right side
    36,355.28x = 1,162,203,080.82
  5. Step 5: Solve for x
    x = 1,162,203,080.82/36,355.28
  6. Step 6: Final answer
    x = 31,967.93

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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.