Home / 56,129.31-84,193.97-16,686.36

Finding the Fourth Proportional to 56,129.31, 84,193.97 and 16,686.36

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Solution

The fourth proportional to 56,129.31, 84,193.97 and 16,686.36 is: 25,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,129.31 : 84,193.97 = 16,686.36 : x
  2. Step 2: Convert to fraction form
    56,129.31/84,193.97 = 16,686.36/x
  3. Step 3: Cross multiply
    56,129.31x = 84,193.97 × 16,686.36
  4. Step 4: Simplify right side
    56,129.31x = 1,404,890,809.82
  5. Step 5: Solve for x
    x = 1,404,890,809.82/56,129.31
  6. Step 6: Final answer
    x = 25,029.54

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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.