Home / 30,348.88-45,546.71-19,816.04

Finding the Fourth Proportional to 30,348.88, 45,546.71 and 19,816.04

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Solution

The fourth proportional to 30,348.88, 45,546.71 and 19,816.04 is: 29,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348.88 : 45,546.71 = 19,816.04 : x
  2. Step 2: Convert to fraction form
    30,348.88/45,546.71 = 19,816.04/x
  3. Step 3: Cross multiply
    30,348.88x = 45,546.71 × 19,816.04
  4. Step 4: Simplify right side
    30,348.88x = 902,555,442.01
  5. Step 5: Solve for x
    x = 902,555,442.01/30,348.88
  6. Step 6: Final answer
    x = 29,739.34

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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.