Home / 30,072-41,499.36-17,505.12

Finding the Fourth Proportional to 30,072, 41,499.36 and 17,505.12

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Solution

The fourth proportional to 30,072, 41,499.36 and 17,505.12 is: 24,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072 : 41,499.36 = 17,505.12 : x
  2. Step 2: Convert to fraction form
    30,072/41,499.36 = 17,505.12/x
  3. Step 3: Cross multiply
    30,072x = 41,499.36 × 17,505.12
  4. Step 4: Simplify right side
    30,072x = 726,451,276.72
  5. Step 5: Solve for x
    x = 726,451,276.72/30,072
  6. Step 6: Final answer
    x = 24,157.07

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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.