Home / 36,886.41-55,362.66-19,129.80

Finding the Fourth Proportional to 36,886.41, 55,362.66 and 19,129.80

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Solution

The fourth proportional to 36,886.41, 55,362.66 and 19,129.80 is: 28,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,886.41 : 55,362.66 = 19,129.80 : x
  2. Step 2: Convert to fraction form
    36,886.41/55,362.66 = 19,129.80/x
  3. Step 3: Cross multiply
    36,886.41x = 55,362.66 × 19,129.80
  4. Step 4: Simplify right side
    36,886.41x = 1,059,076,613.27
  5. Step 5: Solve for x
    x = 1,059,076,613.27/36,886.41
  6. Step 6: Final answer
    x = 28,711.84

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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.