Home / 30,243.93-41,732.05-17,321.19

Finding the Fourth Proportional to 30,243.93, 41,732.05 and 17,321.19

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Solution

The fourth proportional to 30,243.93, 41,732.05 and 17,321.19 is: 23,900.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.93 : 41,732.05 = 17,321.19 : x
  2. Step 2: Convert to fraction form
    30,243.93/41,732.05 = 17,321.19/x
  3. Step 3: Cross multiply
    30,243.93x = 41,732.05 × 17,321.19
  4. Step 4: Simplify right side
    30,243.93x = 722,848,834.56
  5. Step 5: Solve for x
    x = 722,848,834.56/30,243.93
  6. Step 6: Final answer
    x = 23,900.63

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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.