Home / 43,917.06-65,828.34-18,968.84

Finding the Fourth Proportional to 43,917.06, 65,828.34 and 18,968.84

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Solution

The fourth proportional to 43,917.06, 65,828.34 and 18,968.84 is: 28,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,917.06 : 65,828.34 = 18,968.84 : x
  2. Step 2: Convert to fraction form
    43,917.06/65,828.34 = 18,968.84/x
  3. Step 3: Cross multiply
    43,917.06x = 65,828.34 × 18,968.84
  4. Step 4: Simplify right side
    43,917.06x = 1,248,687,248.93
  5. Step 5: Solve for x
    x = 1,248,687,248.93/43,917.06
  6. Step 6: Final answer
    x = 28,432.85

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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.