Home / 43,946.92-65,919.30-12,359.08

Finding the Fourth Proportional to 43,946.92, 65,919.30 and 12,359.08

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Solution

The fourth proportional to 43,946.92, 65,919.30 and 12,359.08 is: 18,538.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,946.92 : 65,919.30 = 12,359.08 : x
  2. Step 2: Convert to fraction form
    43,946.92/65,919.30 = 12,359.08/x
  3. Step 3: Cross multiply
    43,946.92x = 65,919.30 × 12,359.08
  4. Step 4: Simplify right side
    43,946.92x = 814,701,902.24
  5. Step 5: Solve for x
    x = 814,701,902.24/43,946.92
  6. Step 6: Final answer
    x = 18,538.32

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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.