Home / 40,640.29-60,960.52-21,929.14

Finding the Fourth Proportional to 40,640.29, 60,960.52 and 21,929.14

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Solution

The fourth proportional to 40,640.29, 60,960.52 and 21,929.14 is: 32,893.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,640.29 : 60,960.52 = 21,929.14 : x
  2. Step 2: Convert to fraction form
    40,640.29/60,960.52 = 21,929.14/x
  3. Step 3: Cross multiply
    40,640.29x = 60,960.52 × 21,929.14
  4. Step 4: Simplify right side
    40,640.29x = 1,336,811,771.39
  5. Step 5: Solve for x
    x = 1,336,811,771.39/40,640.29
  6. Step 6: Final answer
    x = 32,893.76

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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.