Home / 30,620.30-42,252.87-17,193.04

Finding the Fourth Proportional to 30,620.30, 42,252.87 and 17,193.04

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Solution

The fourth proportional to 30,620.30, 42,252.87 and 17,193.04 is: 23,724.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,620.30 : 42,252.87 = 17,193.04 : x
  2. Step 2: Convert to fraction form
    30,620.30/42,252.87 = 17,193.04/x
  3. Step 3: Cross multiply
    30,620.30x = 42,252.87 × 17,193.04
  4. Step 4: Simplify right side
    30,620.30x = 726,455,072.76
  5. Step 5: Solve for x
    x = 726,455,072.76/30,620.30
  6. Step 6: Final answer
    x = 23,724.62

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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.