Home / 30,231.56-41,720.96-16,803.03

Finding the Fourth Proportional to 30,231.56, 41,720.96 and 16,803.03

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Solution

The fourth proportional to 30,231.56, 41,720.96 and 16,803.03 is: 23,188.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,231.56 : 41,720.96 = 16,803.03 : x
  2. Step 2: Convert to fraction form
    30,231.56/41,720.96 = 16,803.03/x
  3. Step 3: Cross multiply
    30,231.56x = 41,720.96 × 16,803.03
  4. Step 4: Simplify right side
    30,231.56x = 701,038,458.49
  5. Step 5: Solve for x
    x = 701,038,458.49/30,231.56
  6. Step 6: Final answer
    x = 23,188.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.