Home / 51,438.33-70,986.92-30,217.41

Finding the Fourth Proportional to 51,438.33, 70,986.92 and 30,217.41

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Solution

The fourth proportional to 51,438.33, 70,986.92 and 30,217.41 is: 41,701.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,438.33 : 70,986.92 = 30,217.41 : x
  2. Step 2: Convert to fraction form
    51,438.33/70,986.92 = 30,217.41/x
  3. Step 3: Cross multiply
    51,438.33x = 70,986.92 × 30,217.41
  4. Step 4: Simplify right side
    51,438.33x = 2,145,040,715.19
  5. Step 5: Solve for x
    x = 2,145,040,715.19/51,438.33
  6. Step 6: Final answer
    x = 41,701.21

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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.