Home / 51,307.28-76,968.62-18,021.48

Finding the Fourth Proportional to 51,307.28, 76,968.62 and 18,021.48

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Solution

The fourth proportional to 51,307.28, 76,968.62 and 18,021.48 is: 27,034.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,307.28 : 76,968.62 = 18,021.48 : x
  2. Step 2: Convert to fraction form
    51,307.28/76,968.62 = 18,021.48/x
  3. Step 3: Cross multiply
    51,307.28x = 76,968.62 × 18,021.48
  4. Step 4: Simplify right side
    51,307.28x = 1,387,088,355.85
  5. Step 5: Solve for x
    x = 1,387,088,355.85/51,307.28
  6. Step 6: Final answer
    x = 27,034.93

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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.