Home / 43,281.83-64,883.55-16,979.51

Finding the Fourth Proportional to 43,281.83, 64,883.55 and 16,979.51

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Solution

The fourth proportional to 43,281.83, 64,883.55 and 16,979.51 is: 25,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,281.83 : 64,883.55 = 16,979.51 : x
  2. Step 2: Convert to fraction form
    43,281.83/64,883.55 = 16,979.51/x
  3. Step 3: Cross multiply
    43,281.83x = 64,883.55 × 16,979.51
  4. Step 4: Simplify right side
    43,281.83x = 1,101,690,561.64
  5. Step 5: Solve for x
    x = 1,101,690,561.64/43,281.83
  6. Step 6: Final answer
    x = 25,453.88

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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.