Home / 40,188.87-60,277.41-10,608.80

Finding the Fourth Proportional to 40,188.87, 60,277.41 and 10,608.80

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Solution

The fourth proportional to 40,188.87, 60,277.41 and 10,608.80 is: 15,911.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,188.87 : 60,277.41 = 10,608.80 : x
  2. Step 2: Convert to fraction form
    40,188.87/60,277.41 = 10,608.80/x
  3. Step 3: Cross multiply
    40,188.87x = 60,277.41 × 10,608.80
  4. Step 4: Simplify right side
    40,188.87x = 639,470,685.82
  5. Step 5: Solve for x
    x = 639,470,685.82/40,188.87
  6. Step 6: Final answer
    x = 15,911.64

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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.