Home / 45,336.90-68,027.70-20,394.60

Finding the Fourth Proportional to 45,336.90, 68,027.70 and 20,394.60

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Solution

The fourth proportional to 45,336.90, 68,027.70 and 20,394.60 is: 30,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,336.90 : 68,027.70 = 20,394.60 : x
  2. Step 2: Convert to fraction form
    45,336.90/68,027.70 = 20,394.60/x
  3. Step 3: Cross multiply
    45,336.90x = 68,027.70 × 20,394.60
  4. Step 4: Simplify right side
    45,336.90x = 1,387,397,730.42
  5. Step 5: Solve for x
    x = 1,387,397,730.42/45,336.90
  6. Step 6: Final answer
    x = 30,601.95

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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.