Home / 40,384.22-60,588.72-20,676.61

Finding the Fourth Proportional to 40,384.22, 60,588.72 and 20,676.61

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Solution

The fourth proportional to 40,384.22, 60,588.72 and 20,676.61 is: 31,021.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,384.22 : 60,588.72 = 20,676.61 : x
  2. Step 2: Convert to fraction form
    40,384.22/60,588.72 = 20,676.61/x
  3. Step 3: Cross multiply
    40,384.22x = 60,588.72 × 20,676.61
  4. Step 4: Simplify right side
    40,384.22x = 1,252,769,182.37
  5. Step 5: Solve for x
    x = 1,252,769,182.37/40,384.22
  6. Step 6: Final answer
    x = 31,021.26

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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.