Home / 70,431.32-105,635.75-26,047.98

Finding the Fourth Proportional to 70,431.32, 105,635.75 and 26,047.98

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Solution

The fourth proportional to 70,431.32, 105,635.75 and 26,047.98 is: 39,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,431.32 : 105,635.75 = 26,047.98 : x
  2. Step 2: Convert to fraction form
    70,431.32/105,635.75 = 26,047.98/x
  3. Step 3: Cross multiply
    70,431.32x = 105,635.75 × 26,047.98
  4. Step 4: Simplify right side
    70,431.32x = 2,751,597,773.05
  5. Step 5: Solve for x
    x = 2,751,597,773.05/70,431.32
  6. Step 6: Final answer
    x = 39,067.81

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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.