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Finding the Fourth Proportional to 45,604.60, 68,277.30 and 40,420.60

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Solution

The fourth proportional to 45,604.60, 68,277.30 and 40,420.60 is: 60,516.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,604.60 : 68,277.30 = 40,420.60 : x
  2. Step 2: Convert to fraction form
    45,604.60/68,277.30 = 40,420.60/x
  3. Step 3: Cross multiply
    45,604.60x = 68,277.30 × 40,420.60
  4. Step 4: Simplify right side
    45,604.60x = 2,759,809,432.38
  5. Step 5: Solve for x
    x = 2,759,809,432.38/45,604.60
  6. Step 6: Final answer
    x = 60,516.03

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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.