Home / 31,270.96-46,938.84-20,954.80

Finding the Fourth Proportional to 31,270.96, 46,938.84 and 20,954.80

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Solution

The fourth proportional to 31,270.96, 46,938.84 and 20,954.80 is: 31,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,270.96 : 46,938.84 = 20,954.80 : x
  2. Step 2: Convert to fraction form
    31,270.96/46,938.84 = 20,954.80/x
  3. Step 3: Cross multiply
    31,270.96x = 46,938.84 × 20,954.80
  4. Step 4: Simplify right side
    31,270.96x = 983,594,004.43
  5. Step 5: Solve for x
    x = 983,594,004.43/31,270.96
  6. Step 6: Final answer
    x = 31,453.91

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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.