Home / 30,102.92-45,183.54-14,531.48

Finding the Fourth Proportional to 30,102.92, 45,183.54 and 14,531.48

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Solution

The fourth proportional to 30,102.92, 45,183.54 and 14,531.48 is: 21,811.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,102.92 : 45,183.54 = 14,531.48 : x
  2. Step 2: Convert to fraction form
    30,102.92/45,183.54 = 14,531.48/x
  3. Step 3: Cross multiply
    30,102.92x = 45,183.54 × 14,531.48
  4. Step 4: Simplify right side
    30,102.92x = 656,583,558.55
  5. Step 5: Solve for x
    x = 656,583,558.55/30,102.92
  6. Step 6: Final answer
    x = 21,811.29

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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.