Home / 31,072.20-42,879.54-16,924.94

Finding the Fourth Proportional to 31,072.20, 42,879.54 and 16,924.94

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Solution

The fourth proportional to 31,072.20, 42,879.54 and 16,924.94 is: 23,356.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,072.20 : 42,879.54 = 16,924.94 : x
  2. Step 2: Convert to fraction form
    31,072.20/42,879.54 = 16,924.94/x
  3. Step 3: Cross multiply
    31,072.20x = 42,879.54 × 16,924.94
  4. Step 4: Simplify right side
    31,072.20x = 725,733,641.73
  5. Step 5: Solve for x
    x = 725,733,641.73/31,072.20
  6. Step 6: Final answer
    x = 23,356.36

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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.