Home / 43,299.92-64,956.69-18,340.04

Finding the Fourth Proportional to 43,299.92, 64,956.69 and 18,340.04

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Solution

The fourth proportional to 43,299.92, 64,956.69 and 18,340.04 is: 27,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,299.92 : 64,956.69 = 18,340.04 : x
  2. Step 2: Convert to fraction form
    43,299.92/64,956.69 = 18,340.04/x
  3. Step 3: Cross multiply
    43,299.92x = 64,956.69 × 18,340.04
  4. Step 4: Simplify right side
    43,299.92x = 1,191,307,968.08
  5. Step 5: Solve for x
    x = 1,191,307,968.08/43,299.92
  6. Step 6: Final answer
    x = 27,512.94

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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.