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Finding the Fourth Proportional to 36,850, 55,285.76 and 11,889.49

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Solution

The fourth proportional to 36,850, 55,285.76 and 11,889.49 is: 17,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,850 : 55,285.76 = 11,889.49 : x
  2. Step 2: Convert to fraction form
    36,850/55,285.76 = 11,889.49/x
  3. Step 3: Cross multiply
    36,850x = 55,285.76 × 11,889.49
  4. Step 4: Simplify right side
    36,850x = 657,319,490.66
  5. Step 5: Solve for x
    x = 657,319,490.66/36,850
  6. Step 6: Final answer
    x = 17,837.71

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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.