Home / 53,229.33-79,840.85-19,946.61

Finding the Fourth Proportional to 53,229.33, 79,840.85 and 19,946.61

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Solution

The fourth proportional to 53,229.33, 79,840.85 and 19,946.61 is: 29,918.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,229.33 : 79,840.85 = 19,946.61 : x
  2. Step 2: Convert to fraction form
    53,229.33/79,840.85 = 19,946.61/x
  3. Step 3: Cross multiply
    53,229.33x = 79,840.85 × 19,946.61
  4. Step 4: Simplify right side
    53,229.33x = 1,592,554,197.29
  5. Step 5: Solve for x
    x = 1,592,554,197.29/53,229.33
  6. Step 6: Final answer
    x = 29,918.73

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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.