Home / 43,124.63-64,686.94-11,959.88

Finding the Fourth Proportional to 43,124.63, 64,686.94 and 11,959.88

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Solution

The fourth proportional to 43,124.63, 64,686.94 and 11,959.88 is: 17,939.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,124.63 : 64,686.94 = 11,959.88 : x
  2. Step 2: Convert to fraction form
    43,124.63/64,686.94 = 11,959.88/x
  3. Step 3: Cross multiply
    43,124.63x = 64,686.94 × 11,959.88
  4. Step 4: Simplify right side
    43,124.63x = 773,647,686.63
  5. Step 5: Solve for x
    x = 773,647,686.63/43,124.63
  6. Step 6: Final answer
    x = 17,939.81

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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.