Home / 30,399.46-41,951.96-19,069.43

Finding the Fourth Proportional to 30,399.46, 41,951.96 and 19,069.43

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Solution

The fourth proportional to 30,399.46, 41,951.96 and 19,069.43 is: 26,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,399.46 : 41,951.96 = 19,069.43 : x
  2. Step 2: Convert to fraction form
    30,399.46/41,951.96 = 19,069.43/x
  3. Step 3: Cross multiply
    30,399.46x = 41,951.96 × 19,069.43
  4. Step 4: Simplify right side
    30,399.46x = 799,999,659.48
  5. Step 5: Solve for x
    x = 799,999,659.48/30,399.46
  6. Step 6: Final answer
    x = 26,316.25

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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.