Home / 30,103.86-41,540.64-16,674.84

Finding the Fourth Proportional to 30,103.86, 41,540.64 and 16,674.84

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Solution

The fourth proportional to 30,103.86, 41,540.64 and 16,674.84 is: 23,009.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,103.86 : 41,540.64 = 16,674.84 : x
  2. Step 2: Convert to fraction form
    30,103.86/41,540.64 = 16,674.84/x
  3. Step 3: Cross multiply
    30,103.86x = 41,540.64 × 16,674.84
  4. Step 4: Simplify right side
    30,103.86x = 692,683,525.50
  5. Step 5: Solve for x
    x = 692,683,525.50/30,103.86
  6. Step 6: Final answer
    x = 23,009.79

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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.