Home / 31,798.22-43,879.34-17,649.95

Finding the Fourth Proportional to 31,798.22, 43,879.34 and 17,649.95

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Solution

The fourth proportional to 31,798.22, 43,879.34 and 17,649.95 is: 24,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,798.22 : 43,879.34 = 17,649.95 : x
  2. Step 2: Convert to fraction form
    31,798.22/43,879.34 = 17,649.95/x
  3. Step 3: Cross multiply
    31,798.22x = 43,879.34 × 17,649.95
  4. Step 4: Simplify right side
    31,798.22x = 774,467,849.39
  5. Step 5: Solve for x
    x = 774,467,849.39/31,798.22
  6. Step 6: Final answer
    x = 24,355.70

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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.