Home / 70,512.26-105,778.29-20,596.01

Finding the Fourth Proportional to 70,512.26, 105,778.29 and 20,596.01

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Solution

The fourth proportional to 70,512.26, 105,778.29 and 20,596.01 is: 30,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,512.26 : 105,778.29 = 20,596.01 : x
  2. Step 2: Convert to fraction form
    70,512.26/105,778.29 = 20,596.01/x
  3. Step 3: Cross multiply
    70,512.26x = 105,778.29 × 20,596.01
  4. Step 4: Simplify right side
    70,512.26x = 2,178,610,718.62
  5. Step 5: Solve for x
    x = 2,178,610,718.62/70,512.26
  6. Step 6: Final answer
    x = 30,896.91

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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.