Home / 30,996.07-42,774.83-16,848.88

Finding the Fourth Proportional to 30,996.07, 42,774.83 and 16,848.88

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Solution

The fourth proportional to 30,996.07, 42,774.83 and 16,848.88 is: 23,251.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,996.07 : 42,774.83 = 16,848.88 : x
  2. Step 2: Convert to fraction form
    30,996.07/42,774.83 = 16,848.88/x
  3. Step 3: Cross multiply
    30,996.07x = 42,774.83 × 16,848.88
  4. Step 4: Simplify right side
    30,996.07x = 720,707,893.45
  5. Step 5: Solve for x
    x = 720,707,893.45/30,996.07
  6. Step 6: Final answer
    x = 23,251.59

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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.