Home / 30,036.72-41,449.50-17,939.25

Finding the Fourth Proportional to 30,036.72, 41,449.50 and 17,939.25

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Solution

The fourth proportional to 30,036.72, 41,449.50 and 17,939.25 is: 24,755.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,036.72 : 41,449.50 = 17,939.25 : x
  2. Step 2: Convert to fraction form
    30,036.72/41,449.50 = 17,939.25/x
  3. Step 3: Cross multiply
    30,036.72x = 41,449.50 × 17,939.25
  4. Step 4: Simplify right side
    30,036.72x = 743,572,942.88
  5. Step 5: Solve for x
    x = 743,572,942.88/30,036.72
  6. Step 6: Final answer
    x = 24,755.46

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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.