Home / 38,837.63-58,131.13-20,091.86

Finding the Fourth Proportional to 38,837.63, 58,131.13 and 20,091.86

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Solution

The fourth proportional to 38,837.63, 58,131.13 and 20,091.86 is: 30,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,837.63 : 58,131.13 = 20,091.86 : x
  2. Step 2: Convert to fraction form
    38,837.63/58,131.13 = 20,091.86/x
  3. Step 3: Cross multiply
    38,837.63x = 58,131.13 × 20,091.86
  4. Step 4: Simplify right side
    38,837.63x = 1,167,962,134.49
  5. Step 5: Solve for x
    x = 1,167,962,134.49/38,837.63
  6. Step 6: Final answer
    x = 30,072.95

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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.