Home / 51,316.52-76,976.96-16,255.40

Finding the Fourth Proportional to 51,316.52, 76,976.96 and 16,255.40

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Solution

The fourth proportional to 51,316.52, 76,976.96 and 16,255.40 is: 24,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,316.52 : 76,976.96 = 16,255.40 : x
  2. Step 2: Convert to fraction form
    51,316.52/76,976.96 = 16,255.40/x
  3. Step 3: Cross multiply
    51,316.52x = 76,976.96 × 16,255.40
  4. Step 4: Simplify right side
    51,316.52x = 1,251,290,809.42
  5. Step 5: Solve for x
    x = 1,251,290,809.42/51,316.52
  6. Step 6: Final answer
    x = 24,383.78

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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.