Home / 30,199.17-41,668.14-18,262.26

Finding the Fourth Proportional to 30,199.17, 41,668.14 and 18,262.26

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Solution

The fourth proportional to 30,199.17, 41,668.14 and 18,262.26 is: 25,197.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.17 : 41,668.14 = 18,262.26 : x
  2. Step 2: Convert to fraction form
    30,199.17/41,668.14 = 18,262.26/x
  3. Step 3: Cross multiply
    30,199.17x = 41,668.14 × 18,262.26
  4. Step 4: Simplify right side
    30,199.17x = 760,954,406.40
  5. Step 5: Solve for x
    x = 760,954,406.40/30,199.17
  6. Step 6: Final answer
    x = 25,197.86

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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.