Home / 45,149.01-67,722.57-11,871.24

Finding the Fourth Proportional to 45,149.01, 67,722.57 and 11,871.24

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Solution

The fourth proportional to 45,149.01, 67,722.57 and 11,871.24 is: 17,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,149.01 : 67,722.57 = 11,871.24 : x
  2. Step 2: Convert to fraction form
    45,149.01/67,722.57 = 11,871.24/x
  3. Step 3: Cross multiply
    45,149.01x = 67,722.57 × 11,871.24
  4. Step 4: Simplify right side
    45,149.01x = 803,950,881.89
  5. Step 5: Solve for x
    x = 803,950,881.89/45,149.01
  6. Step 6: Final answer
    x = 17,806.61

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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.