Home / 34,657.08-51,979.86-12,465.96

Finding the Fourth Proportional to 34,657.08, 51,979.86 and 12,465.96

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Solution

The fourth proportional to 34,657.08, 51,979.86 and 12,465.96 is: 18,696.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,657.08 : 51,979.86 = 12,465.96 : x
  2. Step 2: Convert to fraction form
    34,657.08/51,979.86 = 12,465.96/x
  3. Step 3: Cross multiply
    34,657.08x = 51,979.86 × 12,465.96
  4. Step 4: Simplify right side
    34,657.08x = 647,978,855.57
  5. Step 5: Solve for x
    x = 647,978,855.57/34,657.08
  6. Step 6: Final answer
    x = 18,696.87

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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.