Home / 32,716.36-45,147.44-19,990.85

Finding the Fourth Proportional to 32,716.36, 45,147.44 and 19,990.85

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Solution

The fourth proportional to 32,716.36, 45,147.44 and 19,990.85 is: 27,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,716.36 : 45,147.44 = 19,990.85 : x
  2. Step 2: Convert to fraction form
    32,716.36/45,147.44 = 19,990.85/x
  3. Step 3: Cross multiply
    32,716.36x = 45,147.44 × 19,990.85
  4. Step 4: Simplify right side
    32,716.36x = 902,535,700.92
  5. Step 5: Solve for x
    x = 902,535,700.92/32,716.36
  6. Step 6: Final answer
    x = 27,586.68

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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.