Home / 43,329.91-64,981.95-18,369.56

Finding the Fourth Proportional to 43,329.91, 64,981.95 and 18,369.56

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Solution

The fourth proportional to 43,329.91, 64,981.95 and 18,369.56 is: 27,548.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,329.91 : 64,981.95 = 18,369.56 : x
  2. Step 2: Convert to fraction form
    43,329.91/64,981.95 = 18,369.56/x
  3. Step 3: Cross multiply
    43,329.91x = 64,981.95 × 18,369.56
  4. Step 4: Simplify right side
    43,329.91x = 1,193,689,504.53
  5. Step 5: Solve for x
    x = 1,193,689,504.53/43,329.91
  6. Step 6: Final answer
    x = 27,548.86

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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.