Home / 51,307.09-76,968.33-18,021.29

Finding the Fourth Proportional to 51,307.09, 76,968.33 and 18,021.29

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Solution

The fourth proportional to 51,307.09, 76,968.33 and 18,021.29 is: 27,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,307.09 : 76,968.33 = 18,021.29 : x
  2. Step 2: Convert to fraction form
    51,307.09/76,968.33 = 18,021.29/x
  3. Step 3: Cross multiply
    51,307.09x = 76,968.33 × 18,021.29
  4. Step 4: Simplify right side
    51,307.09x = 1,387,068,143.32
  5. Step 5: Solve for x
    x = 1,387,068,143.32/51,307.09
  6. Step 6: Final answer
    x = 27,034.63

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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.