Home / 30,231.72-41,719.47-16,804.15

Finding the Fourth Proportional to 30,231.72, 41,719.47 and 16,804.15

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Solution

The fourth proportional to 30,231.72, 41,719.47 and 16,804.15 is: 23,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,231.72 : 41,719.47 = 16,804.15 : x
  2. Step 2: Convert to fraction form
    30,231.72/41,719.47 = 16,804.15/x
  3. Step 3: Cross multiply
    30,231.72x = 41,719.47 × 16,804.15
  4. Step 4: Simplify right side
    30,231.72x = 701,060,231.80
  5. Step 5: Solve for x
    x = 701,060,231.80/30,231.72
  6. Step 6: Final answer
    x = 23,189.56

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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.