Home / 56,507.31-84,769.20-17,067.60

Finding the Fourth Proportional to 56,507.31, 84,769.20 and 17,067.60

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Solution

The fourth proportional to 56,507.31, 84,769.20 and 17,067.60 is: 25,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,507.31 : 84,769.20 = 17,067.60 : x
  2. Step 2: Convert to fraction form
    56,507.31/84,769.20 = 17,067.60/x
  3. Step 3: Cross multiply
    56,507.31x = 84,769.20 × 17,067.60
  4. Step 4: Simplify right side
    56,507.31x = 1,446,806,797.92
  5. Step 5: Solve for x
    x = 1,446,806,797.92/56,507.31
  6. Step 6: Final answer
    x = 25,603.89

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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.