Home / 30,657.40-42,304.06-17,226.52

Finding the Fourth Proportional to 30,657.40, 42,304.06 and 17,226.52

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Solution

The fourth proportional to 30,657.40, 42,304.06 and 17,226.52 is: 23,770.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,657.40 : 42,304.06 = 17,226.52 : x
  2. Step 2: Convert to fraction form
    30,657.40/42,304.06 = 17,226.52/x
  3. Step 3: Cross multiply
    30,657.40x = 42,304.06 × 17,226.52
  4. Step 4: Simplify right side
    30,657.40x = 728,751,735.67
  5. Step 5: Solve for x
    x = 728,751,735.67/30,657.40
  6. Step 6: Final answer
    x = 23,770.83

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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.