Home / 30,185.22-45,267.30-12,410.85

Finding the Fourth Proportional to 30,185.22, 45,267.30 and 12,410.85

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Solution

The fourth proportional to 30,185.22, 45,267.30 and 12,410.85 is: 18,611.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,185.22 : 45,267.30 = 12,410.85 : x
  2. Step 2: Convert to fraction form
    30,185.22/45,267.30 = 12,410.85/x
  3. Step 3: Cross multiply
    30,185.22x = 45,267.30 × 12,410.85
  4. Step 4: Simplify right side
    30,185.22x = 561,805,670.21
  5. Step 5: Solve for x
    x = 561,805,670.21/30,185.22
  6. Step 6: Final answer
    x = 18,611.95

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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.