Home / 36,834.92-50,838.29-21,731.28

Finding the Fourth Proportional to 36,834.92, 50,838.29 and 21,731.28

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Solution

The fourth proportional to 36,834.92, 50,838.29 and 21,731.28 is: 29,992.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,834.92 : 50,838.29 = 21,731.28 : x
  2. Step 2: Convert to fraction form
    36,834.92/50,838.29 = 21,731.28/x
  3. Step 3: Cross multiply
    36,834.92x = 50,838.29 × 21,731.28
  4. Step 4: Simplify right side
    36,834.92x = 1,104,781,114.71
  5. Step 5: Solve for x
    x = 1,104,781,114.71/36,834.92
  6. Step 6: Final answer
    x = 29,992.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.