Home / 43,299.73-64,956.39-18,339.92

Finding the Fourth Proportional to 43,299.73, 64,956.39 and 18,339.92

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Solution

The fourth proportional to 43,299.73, 64,956.39 and 18,339.92 is: 27,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,299.73 : 64,956.39 = 18,339.92 : x
  2. Step 2: Convert to fraction form
    43,299.73/64,956.39 = 18,339.92/x
  3. Step 3: Cross multiply
    43,299.73x = 64,956.39 × 18,339.92
  4. Step 4: Simplify right side
    43,299.73x = 1,191,294,996.09
  5. Step 5: Solve for x
    x = 1,191,294,996.09/43,299.73
  6. Step 6: Final answer
    x = 27,512.76

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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.