Home / 30,984.50-42,757.44-16,837.04

Finding the Fourth Proportional to 30,984.50, 42,757.44 and 16,837.04

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Solution

The fourth proportional to 30,984.50, 42,757.44 and 16,837.04 is: 23,234.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,984.50 : 42,757.44 = 16,837.04 : x
  2. Step 2: Convert to fraction form
    30,984.50/42,757.44 = 16,837.04/x
  3. Step 3: Cross multiply
    30,984.50x = 42,757.44 × 16,837.04
  4. Step 4: Simplify right side
    30,984.50x = 719,908,727.58
  5. Step 5: Solve for x
    x = 719,908,727.58/30,984.50
  6. Step 6: Final answer
    x = 23,234.48

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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.