Home / 43,153.76-64,712.32-18,204.96

Finding the Fourth Proportional to 43,153.76, 64,712.32 and 18,204.96

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Solution

The fourth proportional to 43,153.76, 64,712.32 and 18,204.96 is: 27,299.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,153.76 : 64,712.32 = 18,204.96 : x
  2. Step 2: Convert to fraction form
    43,153.76/64,712.32 = 18,204.96/x
  3. Step 3: Cross multiply
    43,153.76x = 64,712.32 × 18,204.96
  4. Step 4: Simplify right side
    43,153.76x = 1,178,085,197.11
  5. Step 5: Solve for x
    x = 1,178,085,197.11/43,153.76
  6. Step 6: Final answer
    x = 27,299.71

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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.