Home / 30,646.22-45,945.97-15,845.69

Finding the Fourth Proportional to 30,646.22, 45,945.97 and 15,845.69

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Solution

The fourth proportional to 30,646.22, 45,945.97 and 15,845.69 is: 23,756.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,646.22 : 45,945.97 = 15,845.69 : x
  2. Step 2: Convert to fraction form
    30,646.22/45,945.97 = 15,845.69/x
  3. Step 3: Cross multiply
    30,646.22x = 45,945.97 × 15,845.69
  4. Step 4: Simplify right side
    30,646.22x = 728,045,672.62
  5. Step 5: Solve for x
    x = 728,045,672.62/30,646.22
  6. Step 6: Final answer
    x = 23,756.46

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1.5x scale

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.