Home / 30,305.09-41,814.07-17,378.39

Finding the Fourth Proportional to 30,305.09, 41,814.07 and 17,378.39

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Solution

The fourth proportional to 30,305.09, 41,814.07 and 17,378.39 is: 23,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.09 : 41,814.07 = 17,378.39 : x
  2. Step 2: Convert to fraction form
    30,305.09/41,814.07 = 17,378.39/x
  3. Step 3: Cross multiply
    30,305.09x = 41,814.07 × 17,378.39
  4. Step 4: Simplify right side
    30,305.09x = 726,661,277.04
  5. Step 5: Solve for x
    x = 726,661,277.04/30,305.09
  6. Step 6: Final answer
    x = 23,978.19

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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.