Home / 30,021-41,431.41-17,448.18

Finding the Fourth Proportional to 30,021, 41,431.41 and 17,448.18

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Solution

The fourth proportional to 30,021, 41,431.41 and 17,448.18 is: 24,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,021 : 41,431.41 = 17,448.18 : x
  2. Step 2: Convert to fraction form
    30,021/41,431.41 = 17,448.18/x
  3. Step 3: Cross multiply
    30,021x = 41,431.41 × 17,448.18
  4. Step 4: Simplify right side
    30,021x = 722,902,699.33
  5. Step 5: Solve for x
    x = 722,902,699.33/30,021
  6. Step 6: Final answer
    x = 24,079.90

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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.