Home / 30,657.45-42,304.98-17,226.12

Finding the Fourth Proportional to 30,657.45, 42,304.98 and 17,226.12

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Solution

The fourth proportional to 30,657.45, 42,304.98 and 17,226.12 is: 23,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,657.45 : 42,304.98 = 17,226.12 : x
  2. Step 2: Convert to fraction form
    30,657.45/42,304.98 = 17,226.12/x
  3. Step 3: Cross multiply
    30,657.45x = 42,304.98 × 17,226.12
  4. Step 4: Simplify right side
    30,657.45x = 728,750,662.08
  5. Step 5: Solve for x
    x = 728,750,662.08/30,657.45
  6. Step 6: Final answer
    x = 23,770.75

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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.