Home / 51,120.78-76,688.40-16,063.20

Finding the Fourth Proportional to 51,120.78, 76,688.40 and 16,063.20

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Solution

The fourth proportional to 51,120.78, 76,688.40 and 16,063.20 is: 24,097.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,120.78 : 76,688.40 = 16,063.20 : x
  2. Step 2: Convert to fraction form
    51,120.78/76,688.40 = 16,063.20/x
  3. Step 3: Cross multiply
    51,120.78x = 76,688.40 × 16,063.20
  4. Step 4: Simplify right side
    51,120.78x = 1,231,861,106.88
  5. Step 5: Solve for x
    x = 1,231,861,106.88/51,120.78
  6. Step 6: Final answer
    x = 24,097.07

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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.