Home / 40,390.94-60,589.48-12,313.38

Finding the Fourth Proportional to 40,390.94, 60,589.48 and 12,313.38

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Solution

The fourth proportional to 40,390.94, 60,589.48 and 12,313.38 is: 18,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,390.94 : 60,589.48 = 12,313.38 : x
  2. Step 2: Convert to fraction form
    40,390.94/60,589.48 = 12,313.38/x
  3. Step 3: Cross multiply
    40,390.94x = 60,589.48 × 12,313.38
  4. Step 4: Simplify right side
    40,390.94x = 746,061,291.24
  5. Step 5: Solve for x
    x = 746,061,291.24/40,390.94
  6. Step 6: Final answer
    x = 18,471.01

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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.