Home / 31,099.44-46,647.24-12,630.96

Finding the Fourth Proportional to 31,099.44, 46,647.24 and 12,630.96

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Solution

The fourth proportional to 31,099.44, 46,647.24 and 12,630.96 is: 18,945.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,099.44 : 46,647.24 = 12,630.96 : x
  2. Step 2: Convert to fraction form
    31,099.44/46,647.24 = 12,630.96/x
  3. Step 3: Cross multiply
    31,099.44x = 46,647.24 × 12,630.96
  4. Step 4: Simplify right side
    31,099.44x = 589,199,422.55
  5. Step 5: Solve for x
    x = 589,199,422.55/31,099.44
  6. Step 6: Final answer
    x = 18,945.66

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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.