Home / 30,230.10-45,344.90-8,045.06

Finding the Fourth Proportional to 30,230.10, 45,344.90 and 8,045.06

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Solution

The fourth proportional to 30,230.10, 45,344.90 and 8,045.06 is: 12,067.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,230.10 : 45,344.90 = 8,045.06 : x
  2. Step 2: Convert to fraction form
    30,230.10/45,344.90 = 8,045.06/x
  3. Step 3: Cross multiply
    30,230.10x = 45,344.90 × 8,045.06
  4. Step 4: Simplify right side
    30,230.10x = 364,802,234.58
  5. Step 5: Solve for x
    x = 364,802,234.58/30,230.10
  6. Step 6: Final answer
    x = 12,067.52

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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.