Home / 30,375.13-45,565.94-12,846.73

Finding the Fourth Proportional to 30,375.13, 45,565.94 and 12,846.73

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Solution

The fourth proportional to 30,375.13, 45,565.94 and 12,846.73 is: 19,271.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,375.13 : 45,565.94 = 12,846.73 : x
  2. Step 2: Convert to fraction form
    30,375.13/45,565.94 = 12,846.73/x
  3. Step 3: Cross multiply
    30,375.13x = 45,565.94 × 12,846.73
  4. Step 4: Simplify right side
    30,375.13x = 585,373,328.38
  5. Step 5: Solve for x
    x = 585,373,328.38/30,375.13
  6. Step 6: Final answer
    x = 19,271.47

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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.