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Finding the Fourth Proportional to 40,384.40, 60,576.60 and 27,942.80

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Solution

The fourth proportional to 40,384.40, 60,576.60 and 27,942.80 is: 41,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,384.40 : 60,576.60 = 27,942.80 : x
  2. Step 2: Convert to fraction form
    40,384.40/60,576.60 = 27,942.80/x
  3. Step 3: Cross multiply
    40,384.40x = 60,576.60 × 27,942.80
  4. Step 4: Simplify right side
    40,384.40x = 1,692,679,818.48
  5. Step 5: Solve for x
    x = 1,692,679,818.48/40,384.40
  6. Step 6: Final answer
    x = 41,914.20

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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.