Home / 40,072.32-55,296-23,302.08

Finding the Fourth Proportional to 40,072.32, 55,296 and 23,302.08

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Solution

The fourth proportional to 40,072.32, 55,296 and 23,302.08 is: 32,154.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,072.32 : 55,296 = 23,302.08 : x
  2. Step 2: Convert to fraction form
    40,072.32/55,296 = 23,302.08/x
  3. Step 3: Cross multiply
    40,072.32x = 55,296 × 23,302.08
  4. Step 4: Simplify right side
    40,072.32x = 1,288,511,815.68
  5. Step 5: Solve for x
    x = 1,288,511,815.68/40,072.32
  6. Step 6: Final answer
    x = 32,154.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.