Home / 30,295.11-45,442-8,108.49

Finding the Fourth Proportional to 30,295.11, 45,442 and 8,108.49

Calculator

Solution

The fourth proportional to 30,295.11, 45,442 and 8,108.49 is: 12,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,295.11 : 45,442 = 8,108.49 : x
  2. Step 2: Convert to fraction form
    30,295.11/45,442 = 8,108.49/x
  3. Step 3: Cross multiply
    30,295.11x = 45,442 × 8,108.49
  4. Step 4: Simplify right side
    30,295.11x = 368,466,002.58
  5. Step 5: Solve for x
    x = 368,466,002.58/30,295.11
  6. Step 6: Final answer
    x = 12,162.56

Related Problems

Find fourth proportional to 15,147.56, 22,721 and 4,054.25
Half scale
Find fourth proportional to 60,590.22, 90,884 and 16,216.98
Double scale
Find fourth proportional to 30,296.11, 45,443.50 and 8,109.49
Similar ratio
Find fourth proportional to 45,442.67, 68,163 and 12,162.74
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.