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Finding the Fourth Proportional to 37,008.54, 55,513.50 and 12,048.50

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Solution

The fourth proportional to 37,008.54, 55,513.50 and 12,048.50 is: 18,072.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,008.54 : 55,513.50 = 12,048.50 : x
  2. Step 2: Convert to fraction form
    37,008.54/55,513.50 = 12,048.50/x
  3. Step 3: Cross multiply
    37,008.54x = 55,513.50 × 12,048.50
  4. Step 4: Simplify right side
    37,008.54x = 668,854,404.75
  5. Step 5: Solve for x
    x = 668,854,404.75/37,008.54
  6. Step 6: Final answer
    x = 18,072.97

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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.