Home / 30,243.25-45,374.10-15,462.55

Finding the Fourth Proportional to 30,243.25, 45,374.10 and 15,462.55

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Solution

The fourth proportional to 30,243.25, 45,374.10 and 15,462.55 is: 23,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.25 : 45,374.10 = 15,462.55 : x
  2. Step 2: Convert to fraction form
    30,243.25/45,374.10 = 15,462.55/x
  3. Step 3: Cross multiply
    30,243.25x = 45,374.10 × 15,462.55
  4. Step 4: Simplify right side
    30,243.25x = 701,599,076.95
  5. Step 5: Solve for x
    x = 701,599,076.95/30,243.25
  6. Step 6: Final answer
    x = 23,198.54

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1.5x scale

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.