Home / 56,358.24-84,542.99-20,828.89

Finding the Fourth Proportional to 56,358.24, 84,542.99 and 20,828.89

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Solution

The fourth proportional to 56,358.24, 84,542.99 and 20,828.89 is: 31,245.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,358.24 : 84,542.99 = 20,828.89 : x
  2. Step 2: Convert to fraction form
    56,358.24/84,542.99 = 20,828.89/x
  3. Step 3: Cross multiply
    56,358.24x = 84,542.99 × 20,828.89
  4. Step 4: Simplify right side
    56,358.24x = 1,760,936,638.98
  5. Step 5: Solve for x
    x = 1,760,936,638.98/56,358.24
  6. Step 6: Final answer
    x = 31,245.42

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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.