Home / 38,986.48-58,485.84-16,806.10

Finding the Fourth Proportional to 38,986.48, 58,485.84 and 16,806.10

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Solution

The fourth proportional to 38,986.48, 58,485.84 and 16,806.10 is: 25,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986.48 : 58,485.84 = 16,806.10 : x
  2. Step 2: Convert to fraction form
    38,986.48/58,485.84 = 16,806.10/x
  3. Step 3: Cross multiply
    38,986.48x = 58,485.84 × 16,806.10
  4. Step 4: Simplify right side
    38,986.48x = 982,918,875.62
  5. Step 5: Solve for x
    x = 982,918,875.62/38,986.48
  6. Step 6: Final answer
    x = 25,211.79

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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.