Home / 45,406.64-68,119.56-14,245.04

Finding the Fourth Proportional to 45,406.64, 68,119.56 and 14,245.04

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Solution

The fourth proportional to 45,406.64, 68,119.56 and 14,245.04 is: 21,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,406.64 : 68,119.56 = 14,245.04 : x
  2. Step 2: Convert to fraction form
    45,406.64/68,119.56 = 14,245.04/x
  3. Step 3: Cross multiply
    45,406.64x = 68,119.56 × 14,245.04
  4. Step 4: Simplify right side
    45,406.64x = 970,365,856.98
  5. Step 5: Solve for x
    x = 970,365,856.98/45,406.64
  6. Step 6: Final answer
    x = 21,370.57

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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.