Home / 47,408.28-65,374.32-40,716.04

Finding the Fourth Proportional to 47,408.28, 65,374.32 and 40,716.04

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Solution

The fourth proportional to 47,408.28, 65,374.32 and 40,716.04 is: 56,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,408.28 : 65,374.32 = 40,716.04 : x
  2. Step 2: Convert to fraction form
    47,408.28/65,374.32 = 40,716.04/x
  3. Step 3: Cross multiply
    47,408.28x = 65,374.32 × 40,716.04
  4. Step 4: Simplify right side
    47,408.28x = 2,661,783,428.09
  5. Step 5: Solve for x
    x = 2,661,783,428.09/47,408.28
  6. Step 6: Final answer
    x = 56,145.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.