Home / 30,852.16-42,575.92-16,704.96

Finding the Fourth Proportional to 30,852.16, 42,575.92 and 16,704.96

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Solution

The fourth proportional to 30,852.16, 42,575.92 and 16,704.96 is: 23,052.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,852.16 : 42,575.92 = 16,704.96 : x
  2. Step 2: Convert to fraction form
    30,852.16/42,575.92 = 16,704.96/x
  3. Step 3: Cross multiply
    30,852.16x = 42,575.92 × 16,704.96
  4. Step 4: Simplify right side
    30,852.16x = 711,229,040.56
  5. Step 5: Solve for x
    x = 711,229,040.56/30,852.16
  6. Step 6: Final answer
    x = 23,052.81

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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.