Home / 43,879.48-65,759.57-18,557.95

Finding the Fourth Proportional to 43,879.48, 65,759.57 and 18,557.95

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Solution

The fourth proportional to 43,879.48, 65,759.57 and 18,557.95 is: 27,811.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,879.48 : 65,759.57 = 18,557.95 : x
  2. Step 2: Convert to fraction form
    43,879.48/65,759.57 = 18,557.95/x
  3. Step 3: Cross multiply
    43,879.48x = 65,759.57 × 18,557.95
  4. Step 4: Simplify right side
    43,879.48x = 1,220,362,483.28
  5. Step 5: Solve for x
    x = 1,220,362,483.28/43,879.48
  6. Step 6: Final answer
    x = 27,811.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.