Home / 30,990.39-46,481.02-8,803.27

Finding the Fourth Proportional to 30,990.39, 46,481.02 and 8,803.27

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Solution

The fourth proportional to 30,990.39, 46,481.02 and 8,803.27 is: 13,203.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,990.39 : 46,481.02 = 8,803.27 : x
  2. Step 2: Convert to fraction form
    30,990.39/46,481.02 = 8,803.27/x
  3. Step 3: Cross multiply
    30,990.39x = 46,481.02 × 8,803.27
  4. Step 4: Simplify right side
    30,990.39x = 409,184,968.94
  5. Step 5: Solve for x
    x = 409,184,968.94/30,990.39
  6. Step 6: Final answer
    x = 13,203.61

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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.