Home / 30,996.54-42,774.97-16,849.34

Finding the Fourth Proportional to 30,996.54, 42,774.97 and 16,849.34

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Solution

The fourth proportional to 30,996.54, 42,774.97 and 16,849.34 is: 23,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,996.54 : 42,774.97 = 16,849.34 : x
  2. Step 2: Convert to fraction form
    30,996.54/42,774.97 = 16,849.34/x
  3. Step 3: Cross multiply
    30,996.54x = 42,774.97 × 16,849.34
  4. Step 4: Simplify right side
    30,996.54x = 720,730,013.02
  5. Step 5: Solve for x
    x = 720,730,013.02/30,996.54
  6. Step 6: Final answer
    x = 23,251.95

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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.