Home / 41,970.22-62,915.76-20,890.33

Finding the Fourth Proportional to 41,970.22, 62,915.76 and 20,890.33

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Solution

The fourth proportional to 41,970.22, 62,915.76 and 20,890.33 is: 31,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,970.22 : 62,915.76 = 20,890.33 : x
  2. Step 2: Convert to fraction form
    41,970.22/62,915.76 = 20,890.33/x
  3. Step 3: Cross multiply
    41,970.22x = 62,915.76 × 20,890.33
  4. Step 4: Simplify right side
    41,970.22x = 1,314,331,185.21
  5. Step 5: Solve for x
    x = 1,314,331,185.21/41,970.22
  6. Step 6: Final answer
    x = 31,315.80

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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.