Home / 30,242.26-41,731.15-16,811.35

Finding the Fourth Proportional to 30,242.26, 41,731.15 and 16,811.35

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Solution

The fourth proportional to 30,242.26, 41,731.15 and 16,811.35 is: 23,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242.26 : 41,731.15 = 16,811.35 : x
  2. Step 2: Convert to fraction form
    30,242.26/41,731.15 = 16,811.35/x
  3. Step 3: Cross multiply
    30,242.26x = 41,731.15 × 16,811.35
  4. Step 4: Simplify right side
    30,242.26x = 701,556,853.72
  5. Step 5: Solve for x
    x = 701,556,853.72/30,242.26
  6. Step 6: Final answer
    x = 23,197.90

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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.