Home / 43,568.69-65,347.83-11,981.96

Finding the Fourth Proportional to 43,568.69, 65,347.83 and 11,981.96

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Solution

The fourth proportional to 43,568.69, 65,347.83 and 11,981.96 is: 17,971.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,568.69 : 65,347.83 = 11,981.96 : x
  2. Step 2: Convert to fraction form
    43,568.69/65,347.83 = 11,981.96/x
  3. Step 3: Cross multiply
    43,568.69x = 65,347.83 × 11,981.96
  4. Step 4: Simplify right side
    43,568.69x = 782,994,758.41
  5. Step 5: Solve for x
    x = 782,994,758.41/43,568.69
  6. Step 6: Final answer
    x = 17,971.50

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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.