Home / 51,283.61-76,908.78-17,080.28

Finding the Fourth Proportional to 51,283.61, 76,908.78 and 17,080.28

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Solution

The fourth proportional to 51,283.61, 76,908.78 and 17,080.28 is: 25,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,283.61 : 76,908.78 = 17,080.28 : x
  2. Step 2: Convert to fraction form
    51,283.61/76,908.78 = 17,080.28/x
  3. Step 3: Cross multiply
    51,283.61x = 76,908.78 × 17,080.28
  4. Step 4: Simplify right side
    51,283.61x = 1,313,623,496.86
  5. Step 5: Solve for x
    x = 1,313,623,496.86/51,283.61
  6. Step 6: Final answer
    x = 25,614.88

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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.