Home / 30,821,517.36-42,533,974.80-17,070,750

Finding the Fourth Proportional to 30,821,517.36, 42,533,974.80 and 17,070,750

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Solution

The fourth proportional to 30,821,517.36, 42,533,974.80 and 17,070,750 is: 23,557,790.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,821,517.36 : 42,533,974.80 = 17,070,750 : x
  2. Step 2: Convert to fraction form
    30,821,517.36/42,533,974.80 = 17,070,750/x
  3. Step 3: Cross multiply
    30,821,517.36x = 42,533,974.80 × 17,070,750
  4. Step 4: Simplify right side
    30,821,517.36x = 726,086,850,317,100
  5. Step 5: Solve for x
    x = 726,086,850,317,100/30,821,517.36
  6. Step 6: Final answer
    x = 23,557,790.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.