Home / 43,273.74-64,904.12-13,687.73

Finding the Fourth Proportional to 43,273.74, 64,904.12 and 13,687.73

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Solution

The fourth proportional to 43,273.74, 64,904.12 and 13,687.73 is: 20,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,273.74 : 64,904.12 = 13,687.73 : x
  2. Step 2: Convert to fraction form
    43,273.74/64,904.12 = 13,687.73/x
  3. Step 3: Cross multiply
    43,273.74x = 64,904.12 × 13,687.73
  4. Step 4: Simplify right side
    43,273.74x = 888,390,395.04
  5. Step 5: Solve for x
    x = 888,390,395.04/43,273.74
  6. Step 6: Final answer
    x = 20,529.55

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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.