Home / 31,711.12-43,761.67-19,133.44

Finding the Fourth Proportional to 31,711.12, 43,761.67 and 19,133.44

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Solution

The fourth proportional to 31,711.12, 43,761.67 and 19,133.44 is: 26,404.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711.12 : 43,761.67 = 19,133.44 : x
  2. Step 2: Convert to fraction form
    31,711.12/43,761.67 = 19,133.44/x
  3. Step 3: Cross multiply
    31,711.12x = 43,761.67 × 19,133.44
  4. Step 4: Simplify right side
    31,711.12x = 837,311,191.58
  5. Step 5: Solve for x
    x = 837,311,191.58/31,711.12
  6. Step 6: Final answer
    x = 26,404.34

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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.