Home / 39,278.56-58,936.62-19,558.84

Finding the Fourth Proportional to 39,278.56, 58,936.62 and 19,558.84

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Solution

The fourth proportional to 39,278.56, 58,936.62 and 19,558.84 is: 29,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,278.56 : 58,936.62 = 19,558.84 : x
  2. Step 2: Convert to fraction form
    39,278.56/58,936.62 = 19,558.84/x
  3. Step 3: Cross multiply
    39,278.56x = 58,936.62 × 19,558.84
  4. Step 4: Simplify right side
    39,278.56x = 1,152,731,920.72
  5. Step 5: Solve for x
    x = 1,152,731,920.72/39,278.56
  6. Step 6: Final answer
    x = 29,347.61

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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.