Home / 31,857.57-43,973.70-19,292.85

Finding the Fourth Proportional to 31,857.57, 43,973.70 and 19,292.85

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Solution

The fourth proportional to 31,857.57, 43,973.70 and 19,292.85 is: 26,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,857.57 : 43,973.70 = 19,292.85 : x
  2. Step 2: Convert to fraction form
    31,857.57/43,973.70 = 19,292.85/x
  3. Step 3: Cross multiply
    31,857.57x = 43,973.70 × 19,292.85
  4. Step 4: Simplify right side
    31,857.57x = 848,377,998.05
  5. Step 5: Solve for x
    x = 848,377,998.05/31,857.57
  6. Step 6: Final answer
    x = 26,630.34

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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.