Home / 51,805.02-71,514.07-39,863.90

Finding the Fourth Proportional to 51,805.02, 71,514.07 and 39,863.90

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Solution

The fourth proportional to 51,805.02, 71,514.07 and 39,863.90 is: 55,029.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,805.02 : 71,514.07 = 39,863.90 : x
  2. Step 2: Convert to fraction form
    51,805.02/71,514.07 = 39,863.90/x
  3. Step 3: Cross multiply
    51,805.02x = 71,514.07 × 39,863.90
  4. Step 4: Simplify right side
    51,805.02x = 2,850,829,735.07
  5. Step 5: Solve for x
    x = 2,850,829,735.07/51,805.02
  6. Step 6: Final answer
    x = 55,029.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.