Home / 30,912.33-42,659.04-16,765.17

Finding the Fourth Proportional to 30,912.33, 42,659.04 and 16,765.17

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Solution

The fourth proportional to 30,912.33, 42,659.04 and 16,765.17 is: 23,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,912.33 : 42,659.04 = 16,765.17 : x
  2. Step 2: Convert to fraction form
    30,912.33/42,659.04 = 16,765.17/x
  3. Step 3: Cross multiply
    30,912.33x = 42,659.04 × 16,765.17
  4. Step 4: Simplify right side
    30,912.33x = 715,186,057.64
  5. Step 5: Solve for x
    x = 715,186,057.64/30,912.33
  6. Step 6: Final answer
    x = 23,135.95

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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.