Home / 39,273.81-58,902.48-12,972.57

Finding the Fourth Proportional to 39,273.81, 58,902.48 and 12,972.57

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Solution

The fourth proportional to 39,273.81, 58,902.48 and 12,972.57 is: 19,456.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,273.81 : 58,902.48 = 12,972.57 : x
  2. Step 2: Convert to fraction form
    39,273.81/58,902.48 = 12,972.57/x
  3. Step 3: Cross multiply
    39,273.81x = 58,902.48 × 12,972.57
  4. Step 4: Simplify right side
    39,273.81x = 764,116,544.97
  5. Step 5: Solve for x
    x = 764,116,544.97/39,273.81
  6. Step 6: Final answer
    x = 19,456.13

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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.