Home / 30,019.96-41,426.22-17,272.60

Finding the Fourth Proportional to 30,019.96, 41,426.22 and 17,272.60

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Solution

The fourth proportional to 30,019.96, 41,426.22 and 17,272.60 is: 23,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019.96 : 41,426.22 = 17,272.60 : x
  2. Step 2: Convert to fraction form
    30,019.96/41,426.22 = 17,272.60/x
  3. Step 3: Cross multiply
    30,019.96x = 41,426.22 × 17,272.60
  4. Step 4: Simplify right side
    30,019.96x = 715,538,527.57
  5. Step 5: Solve for x
    x = 715,538,527.57/30,019.96
  6. Step 6: Final answer
    x = 23,835.43

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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.