Home / 30,292.09-41,805.11-18,356.60

Finding the Fourth Proportional to 30,292.09, 41,805.11 and 18,356.60

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Solution

The fourth proportional to 30,292.09, 41,805.11 and 18,356.60 is: 25,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292.09 : 41,805.11 = 18,356.60 : x
  2. Step 2: Convert to fraction form
    30,292.09/41,805.11 = 18,356.60/x
  3. Step 3: Cross multiply
    30,292.09x = 41,805.11 × 18,356.60
  4. Step 4: Simplify right side
    30,292.09x = 767,399,682.23
  5. Step 5: Solve for x
    x = 767,399,682.23/30,292.09
  6. Step 6: Final answer
    x = 25,333.34

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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.