Home / 30,845.94-42,571.44-22,910.82

Finding the Fourth Proportional to 30,845.94, 42,571.44 and 22,910.82

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Solution

The fourth proportional to 30,845.94, 42,571.44 and 22,910.82 is: 31,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,845.94 : 42,571.44 = 22,910.82 : x
  2. Step 2: Convert to fraction form
    30,845.94/42,571.44 = 22,910.82/x
  3. Step 3: Cross multiply
    30,845.94x = 42,571.44 × 22,910.82
  4. Step 4: Simplify right side
    30,845.94x = 975,346,598.98
  5. Step 5: Solve for x
    x = 975,346,598.98/30,845.94
  6. Step 6: Final answer
    x = 31,619.93

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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.