Home / 20,084.32-30,146.70-17,759.62

Finding the Fourth Proportional to 20,084.32, 30,146.70 and 17,759.62

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Solution

The fourth proportional to 20,084.32, 30,146.70 and 17,759.62 is: 26,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.32 : 30,146.70 = 17,759.62 : x
  2. Step 2: Convert to fraction form
    20,084.32/30,146.70 = 17,759.62/x
  3. Step 3: Cross multiply
    20,084.32x = 30,146.70 × 17,759.62
  4. Step 4: Simplify right side
    20,084.32x = 535,393,936.25
  5. Step 5: Solve for x
    x = 535,393,936.25/20,084.32
  6. Step 6: Final answer
    x = 26,657.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.