Home / 45,966.80-68,890.52-20,647.60

Finding the Fourth Proportional to 45,966.80, 68,890.52 and 20,647.60

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Solution

The fourth proportional to 45,966.80, 68,890.52 and 20,647.60 is: 30,944.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,966.80 : 68,890.52 = 20,647.60 : x
  2. Step 2: Convert to fraction form
    45,966.80/68,890.52 = 20,647.60/x
  3. Step 3: Cross multiply
    45,966.80x = 68,890.52 × 20,647.60
  4. Step 4: Simplify right side
    45,966.80x = 1,422,423,900.75
  5. Step 5: Solve for x
    x = 1,422,423,900.75/45,966.80
  6. Step 6: Final answer
    x = 30,944.59

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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.