Home / 36,360.28-54,443.16-21,355.04

Finding the Fourth Proportional to 36,360.28, 54,443.16 and 21,355.04

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Solution

The fourth proportional to 36,360.28, 54,443.16 and 21,355.04 is: 31,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,360.28 : 54,443.16 = 21,355.04 : x
  2. Step 2: Convert to fraction form
    36,360.28/54,443.16 = 21,355.04/x
  3. Step 3: Cross multiply
    36,360.28x = 54,443.16 × 21,355.04
  4. Step 4: Simplify right side
    36,360.28x = 1,162,635,859.53
  5. Step 5: Solve for x
    x = 1,162,635,859.53/36,360.28
  6. Step 6: Final answer
    x = 31,975.44

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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.