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Finding the Fourth Proportional to 50,576.59, 75,866.51 and 18,983.35

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Solution

The fourth proportional to 50,576.59, 75,866.51 and 18,983.35 is: 28,475.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,576.59 : 75,866.51 = 18,983.35 : x
  2. Step 2: Convert to fraction form
    50,576.59/75,866.51 = 18,983.35/x
  3. Step 3: Cross multiply
    50,576.59x = 75,866.51 × 18,983.35
  4. Step 4: Simplify right side
    50,576.59x = 1,440,200,512.61
  5. Step 5: Solve for x
    x = 1,440,200,512.61/50,576.59
  6. Step 6: Final answer
    x = 28,475.63

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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.