Home / 40,485.54-60,733.38-21,739.80

Finding the Fourth Proportional to 40,485.54, 60,733.38 and 21,739.80

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Solution

The fourth proportional to 40,485.54, 60,733.38 and 21,739.80 is: 32,612.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,485.54 : 60,733.38 = 21,739.80 : x
  2. Step 2: Convert to fraction form
    40,485.54/60,733.38 = 21,739.80/x
  3. Step 3: Cross multiply
    40,485.54x = 60,733.38 × 21,739.80
  4. Step 4: Simplify right side
    40,485.54x = 1,320,331,534.52
  5. Step 5: Solve for x
    x = 1,320,331,534.52/40,485.54
  6. Step 6: Final answer
    x = 32,612.42

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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.