Home / 51,269.20-76,914.88-15,730.48

Finding the Fourth Proportional to 51,269.20, 76,914.88 and 15,730.48

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Solution

The fourth proportional to 51,269.20, 76,914.88 and 15,730.48 is: 23,599.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,269.20 : 76,914.88 = 15,730.48 : x
  2. Step 2: Convert to fraction form
    51,269.20/76,914.88 = 15,730.48/x
  3. Step 3: Cross multiply
    51,269.20x = 76,914.88 × 15,730.48
  4. Step 4: Simplify right side
    51,269.20x = 1,209,907,981.54
  5. Step 5: Solve for x
    x = 1,209,907,981.54/51,269.20
  6. Step 6: Final answer
    x = 23,599.12

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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.