Home / 45,847.81-68,771.44-12,565.32

Finding the Fourth Proportional to 45,847.81, 68,771.44 and 12,565.32

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Solution

The fourth proportional to 45,847.81, 68,771.44 and 12,565.32 is: 18,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,847.81 : 68,771.44 = 12,565.32 : x
  2. Step 2: Convert to fraction form
    45,847.81/68,771.44 = 12,565.32/x
  3. Step 3: Cross multiply
    45,847.81x = 68,771.44 × 12,565.32
  4. Step 4: Simplify right side
    45,847.81x = 864,135,150.46
  5. Step 5: Solve for x
    x = 864,135,150.46/45,847.81
  6. Step 6: Final answer
    x = 18,847.90

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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.