Home / 31,829.67-43,954.50-20,525.63

Finding the Fourth Proportional to 31,829.67, 43,954.50 and 20,525.63

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Solution

The fourth proportional to 31,829.67, 43,954.50 and 20,525.63 is: 28,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,829.67 : 43,954.50 = 20,525.63 : x
  2. Step 2: Convert to fraction form
    31,829.67/43,954.50 = 20,525.63/x
  3. Step 3: Cross multiply
    31,829.67x = 43,954.50 × 20,525.63
  4. Step 4: Simplify right side
    31,829.67x = 902,193,584.06
  5. Step 5: Solve for x
    x = 902,193,584.06/31,829.67
  6. Step 6: Final answer
    x = 28,344.42

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1.5x scale

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.