Home / 31,567.22-43,560.29-18,819.44

Finding the Fourth Proportional to 31,567.22, 43,560.29 and 18,819.44

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Solution

The fourth proportional to 31,567.22, 43,560.29 and 18,819.44 is: 25,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,567.22 : 43,560.29 = 18,819.44 : x
  2. Step 2: Convert to fraction form
    31,567.22/43,560.29 = 18,819.44/x
  3. Step 3: Cross multiply
    31,567.22x = 43,560.29 × 18,819.44
  4. Step 4: Simplify right side
    31,567.22x = 819,780,169.94
  5. Step 5: Solve for x
    x = 819,780,169.94/31,567.22
  6. Step 6: Final answer
    x = 25,969.35

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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.