Home / 60,112.35-90,069.57-20,647.80

Finding the Fourth Proportional to 60,112.35, 90,069.57 and 20,647.80

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Solution

The fourth proportional to 60,112.35, 90,069.57 and 20,647.80 is: 30,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,112.35 : 90,069.57 = 20,647.80 : x
  2. Step 2: Convert to fraction form
    60,112.35/90,069.57 = 20,647.80/x
  3. Step 3: Cross multiply
    60,112.35x = 90,069.57 × 20,647.80
  4. Step 4: Simplify right side
    60,112.35x = 1,859,738,467.45
  5. Step 5: Solve for x
    x = 1,859,738,467.45/60,112.35
  6. Step 6: Final answer
    x = 30,937.71

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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.