Home / 53,590.88-80,321.84-19,829.96

Finding the Fourth Proportional to 53,590.88, 80,321.84 and 19,829.96

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Solution

The fourth proportional to 53,590.88, 80,321.84 and 19,829.96 is: 29,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,590.88 : 80,321.84 = 19,829.96 : x
  2. Step 2: Convert to fraction form
    53,590.88/80,321.84 = 19,829.96/x
  3. Step 3: Cross multiply
    53,590.88x = 80,321.84 × 19,829.96
  4. Step 4: Simplify right side
    53,590.88x = 1,592,778,874.33
  5. Step 5: Solve for x
    x = 1,592,778,874.33/53,590.88
  6. Step 6: Final answer
    x = 29,721.08

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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.