Home / 60,380.26-90,570.39-18,830.50

Finding the Fourth Proportional to 60,380.26, 90,570.39 and 18,830.50

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Solution

The fourth proportional to 60,380.26, 90,570.39 and 18,830.50 is: 28,245.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,380.26 : 90,570.39 = 18,830.50 : x
  2. Step 2: Convert to fraction form
    60,380.26/90,570.39 = 18,830.50/x
  3. Step 3: Cross multiply
    60,380.26x = 90,570.39 × 18,830.50
  4. Step 4: Simplify right side
    60,380.26x = 1,705,485,728.90
  5. Step 5: Solve for x
    x = 1,705,485,728.90/60,380.26
  6. Step 6: Final answer
    x = 28,245.75

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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.