Home / 43,919.09-65,890.89-14,338.70

Finding the Fourth Proportional to 43,919.09, 65,890.89 and 14,338.70

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Solution

The fourth proportional to 43,919.09, 65,890.89 and 14,338.70 is: 21,512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,919.09 : 65,890.89 = 14,338.70 : x
  2. Step 2: Convert to fraction form
    43,919.09/65,890.89 = 14,338.70/x
  3. Step 3: Cross multiply
    43,919.09x = 65,890.89 × 14,338.70
  4. Step 4: Simplify right side
    43,919.09x = 944,789,869.17
  5. Step 5: Solve for x
    x = 944,789,869.17/43,919.09
  6. Step 6: Final answer
    x = 21,512.05

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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.