Home / 43,326.63-64,992.24-12,164.31

Finding the Fourth Proportional to 43,326.63, 64,992.24 and 12,164.31

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Solution

The fourth proportional to 43,326.63, 64,992.24 and 12,164.31 is: 18,247.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,326.63 : 64,992.24 = 12,164.31 : x
  2. Step 2: Convert to fraction form
    43,326.63/64,992.24 = 12,164.31/x
  3. Step 3: Cross multiply
    43,326.63x = 64,992.24 × 12,164.31
  4. Step 4: Simplify right side
    43,326.63x = 790,585,754.95
  5. Step 5: Solve for x
    x = 790,585,754.95/43,326.63
  6. Step 6: Final answer
    x = 18,247.11

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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.