Home / 30,851.63-42,575.27-16,704.48

Finding the Fourth Proportional to 30,851.63, 42,575.27 and 16,704.48

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Solution

The fourth proportional to 30,851.63, 42,575.27 and 16,704.48 is: 23,052.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,851.63 : 42,575.27 = 16,704.48 : x
  2. Step 2: Convert to fraction form
    30,851.63/42,575.27 = 16,704.48/x
  3. Step 3: Cross multiply
    30,851.63x = 42,575.27 × 16,704.48
  4. Step 4: Simplify right side
    30,851.63x = 711,197,662.69
  5. Step 5: Solve for x
    x = 711,197,662.69/30,851.63
  6. Step 6: Final answer
    x = 23,052.19

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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.