Home / 30,651.33-45,982.46-11,941.55

Finding the Fourth Proportional to 30,651.33, 45,982.46 and 11,941.55

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Solution

The fourth proportional to 30,651.33, 45,982.46 and 11,941.55 is: 17,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,651.33 : 45,982.46 = 11,941.55 : x
  2. Step 2: Convert to fraction form
    30,651.33/45,982.46 = 11,941.55/x
  3. Step 3: Cross multiply
    30,651.33x = 45,982.46 × 11,941.55
  4. Step 4: Simplify right side
    30,651.33x = 549,101,645.15
  5. Step 5: Solve for x
    x = 549,101,645.15/30,651.33
  6. Step 6: Final answer
    x = 17,914.45

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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.