Home / 51,307.09-76,972.17-18,029.45

Finding the Fourth Proportional to 51,307.09, 76,972.17 and 18,029.45

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Solution

The fourth proportional to 51,307.09, 76,972.17 and 18,029.45 is: 27,048.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,307.09 : 76,972.17 = 18,029.45 : x
  2. Step 2: Convert to fraction form
    51,307.09/76,972.17 = 18,029.45/x
  3. Step 3: Cross multiply
    51,307.09x = 76,972.17 × 18,029.45
  4. Step 4: Simplify right side
    51,307.09x = 1,387,765,890.41
  5. Step 5: Solve for x
    x = 1,387,765,890.41/51,307.09
  6. Step 6: Final answer
    x = 27,048.23

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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.