Home / 43,511.63-65,272-18,554.31

Finding the Fourth Proportional to 43,511.63, 65,272 and 18,554.31

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Solution

The fourth proportional to 43,511.63, 65,272 and 18,554.31 is: 27,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,511.63 : 65,272 = 18,554.31 : x
  2. Step 2: Convert to fraction form
    43,511.63/65,272 = 18,554.31/x
  3. Step 3: Cross multiply
    43,511.63x = 65,272 × 18,554.31
  4. Step 4: Simplify right side
    43,511.63x = 1,211,076,922.32
  5. Step 5: Solve for x
    x = 1,211,076,922.32/43,511.63
  6. Step 6: Final answer
    x = 27,833.41

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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.