Home / 40,749.61-61,127.13-11,164.96

Finding the Fourth Proportional to 40,749.61, 61,127.13 and 11,164.96

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Solution

The fourth proportional to 40,749.61, 61,127.13 and 11,164.96 is: 16,748.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,749.61 : 61,127.13 = 11,164.96 : x
  2. Step 2: Convert to fraction form
    40,749.61/61,127.13 = 11,164.96/x
  3. Step 3: Cross multiply
    40,749.61x = 61,127.13 × 11,164.96
  4. Step 4: Simplify right side
    40,749.61x = 682,481,961.36
  5. Step 5: Solve for x
    x = 682,481,961.36/40,749.61
  6. Step 6: Final answer
    x = 16,748.18

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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.