Home / 30,300.93-41,835.81-18,974.97

Finding the Fourth Proportional to 30,300.93, 41,835.81 and 18,974.97

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Solution

The fourth proportional to 30,300.93, 41,835.81 and 18,974.97 is: 26,198.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,300.93 : 41,835.81 = 18,974.97 : x
  2. Step 2: Convert to fraction form
    30,300.93/41,835.81 = 18,974.97/x
  3. Step 3: Cross multiply
    30,300.93x = 41,835.81 × 18,974.97
  4. Step 4: Simplify right side
    30,300.93x = 793,833,239.68
  5. Step 5: Solve for x
    x = 793,833,239.68/30,300.93
  6. Step 6: Final answer
    x = 26,198.31

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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.