Home / 49,064.60-73,596.90-12,128.60

Finding the Fourth Proportional to 49,064.60, 73,596.90 and 12,128.60

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Solution

The fourth proportional to 49,064.60, 73,596.90 and 12,128.60 is: 18,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,064.60 : 73,596.90 = 12,128.60 : x
  2. Step 2: Convert to fraction form
    49,064.60/73,596.90 = 12,128.60/x
  3. Step 3: Cross multiply
    49,064.60x = 73,596.90 × 12,128.60
  4. Step 4: Simplify right side
    49,064.60x = 892,627,361.34
  5. Step 5: Solve for x
    x = 892,627,361.34/49,064.60
  6. Step 6: Final answer
    x = 18,192.90

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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.