Home / 30,809,133.52-42,517,932.96-17,058,097.84

Finding the Fourth Proportional to 30,809,133.52, 42,517,932.96 and 17,058,097.84

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Solution

The fourth proportional to 30,809,133.52, 42,517,932.96 and 17,058,097.84 is: 23,540,910.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,809,133.52 : 42,517,932.96 = 17,058,097.84 : x
  2. Step 2: Convert to fraction form
    30,809,133.52/42,517,932.96 = 17,058,097.84/x
  3. Step 3: Cross multiply
    30,809,133.52x = 42,517,932.96 × 17,058,097.84
  4. Step 4: Simplify right side
    30,809,133.52x = 725,275,060,386,240.88
  5. Step 5: Solve for x
    x = 725,275,060,386,240.88/30,809,133.52
  6. Step 6: Final answer
    x = 23,540,910.68

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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.