Home / 40,122.09-60,183.44-10,539.87

Finding the Fourth Proportional to 40,122.09, 60,183.44 and 10,539.87

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Solution

The fourth proportional to 40,122.09, 60,183.44 and 10,539.87 is: 15,809.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,122.09 : 60,183.44 = 10,539.87 : x
  2. Step 2: Convert to fraction form
    40,122.09/60,183.44 = 10,539.87/x
  3. Step 3: Cross multiply
    40,122.09x = 60,183.44 × 10,539.87
  4. Step 4: Simplify right side
    40,122.09x = 634,325,581.05
  5. Step 5: Solve for x
    x = 634,325,581.05/40,122.09
  6. Step 6: Final answer
    x = 15,809.88

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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.