Home / 43,517.07-65,263.80-11,919.53

Finding the Fourth Proportional to 43,517.07, 65,263.80 and 11,919.53

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Solution

The fourth proportional to 43,517.07, 65,263.80 and 11,919.53 is: 17,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,517.07 : 65,263.80 = 11,919.53 : x
  2. Step 2: Convert to fraction form
    43,517.07/65,263.80 = 11,919.53/x
  3. Step 3: Cross multiply
    43,517.07x = 65,263.80 × 11,919.53
  4. Step 4: Simplify right side
    43,517.07x = 777,913,495.70
  5. Step 5: Solve for x
    x = 777,913,495.70/43,517.07
  6. Step 6: Final answer
    x = 17,876.05

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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.