Home / 52,845.04-79,244.52-19,990

Finding the Fourth Proportional to 52,845.04, 79,244.52 and 19,990

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Solution

The fourth proportional to 52,845.04, 79,244.52 and 19,990 is: 29,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,845.04 : 79,244.52 = 19,990 : x
  2. Step 2: Convert to fraction form
    52,845.04/79,244.52 = 19,990/x
  3. Step 3: Cross multiply
    52,845.04x = 79,244.52 × 19,990
  4. Step 4: Simplify right side
    52,845.04x = 1,584,097,954.80
  5. Step 5: Solve for x
    x = 1,584,097,954.80/52,845.04
  6. Step 6: Final answer
    x = 29,976.28

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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.