Home / 74,384.37-111,576.56-21,793.86

Finding the Fourth Proportional to 74,384.37, 111,576.56 and 21,793.86

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Solution

The fourth proportional to 74,384.37, 111,576.56 and 21,793.86 is: 32,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,384.37 : 111,576.56 = 21,793.86 : x
  2. Step 2: Convert to fraction form
    74,384.37/111,576.56 = 21,793.86/x
  3. Step 3: Cross multiply
    74,384.37x = 111,576.56 × 21,793.86
  4. Step 4: Simplify right side
    74,384.37x = 2,431,683,818.95
  5. Step 5: Solve for x
    x = 2,431,683,818.95/74,384.37
  6. Step 6: Final answer
    x = 32,690.79

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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.