Home / 30,852.32-42,575.70-16,704.86

Finding the Fourth Proportional to 30,852.32, 42,575.70 and 16,704.86

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Solution

The fourth proportional to 30,852.32, 42,575.70 and 16,704.86 is: 23,052.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,852.32 : 42,575.70 = 16,704.86 : x
  2. Step 2: Convert to fraction form
    30,852.32/42,575.70 = 16,704.86/x
  3. Step 3: Cross multiply
    30,852.32x = 42,575.70 × 16,704.86
  4. Step 4: Simplify right side
    30,852.32x = 711,221,107.90
  5. Step 5: Solve for x
    x = 711,221,107.90/30,852.32
  6. Step 6: Final answer
    x = 23,052.44

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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.