Home / 45,765.95-68,658.97-13,743.61

Finding the Fourth Proportional to 45,765.95, 68,658.97 and 13,743.61

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Solution

The fourth proportional to 45,765.95, 68,658.97 and 13,743.61 is: 20,618.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,765.95 : 68,658.97 = 13,743.61 : x
  2. Step 2: Convert to fraction form
    45,765.95/68,658.97 = 13,743.61/x
  3. Step 3: Cross multiply
    45,765.95x = 68,658.97 × 13,743.61
  4. Step 4: Simplify right side
    45,765.95x = 943,622,106.68
  5. Step 5: Solve for x
    x = 943,622,106.68/45,765.95
  6. Step 6: Final answer
    x = 20,618.43

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1.5x scale

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.