Home / 30,239.21-41,729.73-16,810.11

Finding the Fourth Proportional to 30,239.21, 41,729.73 and 16,810.11

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Solution

The fourth proportional to 30,239.21, 41,729.73 and 16,810.11 is: 23,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,239.21 : 41,729.73 = 16,810.11 : x
  2. Step 2: Convert to fraction form
    30,239.21/41,729.73 = 16,810.11/x
  3. Step 3: Cross multiply
    30,239.21x = 41,729.73 × 16,810.11
  4. Step 4: Simplify right side
    30,239.21x = 701,481,351.57
  5. Step 5: Solve for x
    x = 701,481,351.57/30,239.21
  6. Step 6: Final answer
    x = 23,197.74

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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.