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Finding the Fourth Proportional to 37,855.69, 56,789.03 and 11,557.02

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Solution

The fourth proportional to 37,855.69, 56,789.03 and 11,557.02 is: 17,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,855.69 : 56,789.03 = 11,557.02 : x
  2. Step 2: Convert to fraction form
    37,855.69/56,789.03 = 11,557.02/x
  3. Step 3: Cross multiply
    37,855.69x = 56,789.03 × 11,557.02
  4. Step 4: Simplify right side
    37,855.69x = 656,311,955.49
  5. Step 5: Solve for x
    x = 656,311,955.49/37,855.69
  6. Step 6: Final answer
    x = 17,337.21

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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.