Home / 51,218.43-76,838.93-15,680.02

Finding the Fourth Proportional to 51,218.43, 76,838.93 and 15,680.02

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Solution

The fourth proportional to 51,218.43, 76,838.93 and 15,680.02 is: 23,523.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,218.43 : 76,838.93 = 15,680.02 : x
  2. Step 2: Convert to fraction form
    51,218.43/76,838.93 = 15,680.02/x
  3. Step 3: Cross multiply
    51,218.43x = 76,838.93 × 15,680.02
  4. Step 4: Simplify right side
    51,218.43x = 1,204,835,727.88
  5. Step 5: Solve for x
    x = 1,204,835,727.88/51,218.43
  6. Step 6: Final answer
    x = 23,523.48

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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.