Home / 43,899.71-65,860.05-14,317.58

Finding the Fourth Proportional to 43,899.71, 65,860.05 and 14,317.58

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Solution

The fourth proportional to 43,899.71, 65,860.05 and 14,317.58 is: 21,479.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,899.71 : 65,860.05 = 14,317.58 : x
  2. Step 2: Convert to fraction form
    43,899.71/65,860.05 = 14,317.58/x
  3. Step 3: Cross multiply
    43,899.71x = 65,860.05 × 14,317.58
  4. Step 4: Simplify right side
    43,899.71x = 942,956,534.68
  5. Step 5: Solve for x
    x = 942,956,534.68/43,899.71
  6. Step 6: Final answer
    x = 21,479.79

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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.