Home / 40,754.34-61,131.51-11,171.93

Finding the Fourth Proportional to 40,754.34, 61,131.51 and 11,171.93

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Solution

The fourth proportional to 40,754.34, 61,131.51 and 11,171.93 is: 16,757.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,754.34 : 61,131.51 = 11,171.93 : x
  2. Step 2: Convert to fraction form
    40,754.34/61,131.51 = 11,171.93/x
  3. Step 3: Cross multiply
    40,754.34x = 61,131.51 × 11,171.93
  4. Step 4: Simplify right side
    40,754.34x = 682,956,644.86
  5. Step 5: Solve for x
    x = 682,956,644.86/40,754.34
  6. Step 6: Final answer
    x = 16,757.89

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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.