Home / 30,851.62-42,575.26-16,704.48

Finding the Fourth Proportional to 30,851.62, 42,575.26 and 16,704.48

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Solution

The fourth proportional to 30,851.62, 42,575.26 and 16,704.48 is: 23,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,851.62 : 42,575.26 = 16,704.48 : x
  2. Step 2: Convert to fraction form
    30,851.62/42,575.26 = 16,704.48/x
  3. Step 3: Cross multiply
    30,851.62x = 42,575.26 × 16,704.48
  4. Step 4: Simplify right side
    30,851.62x = 711,197,579.16
  5. Step 5: Solve for x
    x = 711,197,579.16/30,851.62
  6. Step 6: Final answer
    x = 23,052.20

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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.