Home / 32,716.11-45,147.10-19,990.60

Finding the Fourth Proportional to 32,716.11, 45,147.10 and 19,990.60

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Solution

The fourth proportional to 32,716.11, 45,147.10 and 19,990.60 is: 27,586.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,716.11 : 45,147.10 = 19,990.60 : x
  2. Step 2: Convert to fraction form
    32,716.11/45,147.10 = 19,990.60/x
  3. Step 3: Cross multiply
    32,716.11x = 45,147.10 × 19,990.60
  4. Step 4: Simplify right side
    32,716.11x = 902,517,291.57
  5. Step 5: Solve for x
    x = 902,517,291.57/32,716.11
  6. Step 6: Final answer
    x = 27,586.33

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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.