Home / 30,376.96-41,918.21-19,045.97

Finding the Fourth Proportional to 30,376.96, 41,918.21 and 19,045.97

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Solution

The fourth proportional to 30,376.96, 41,918.21 and 19,045.97 is: 26,282.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376.96 : 41,918.21 = 19,045.97 : x
  2. Step 2: Convert to fraction form
    30,376.96/41,918.21 = 19,045.97/x
  3. Step 3: Cross multiply
    30,376.96x = 41,918.21 × 19,045.97
  4. Step 4: Simplify right side
    30,376.96x = 798,372,893.91
  5. Step 5: Solve for x
    x = 798,372,893.91/30,376.96
  6. Step 6: Final answer
    x = 26,282.19

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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.