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Finding the Fourth Proportional to 36,240.84, 50,012.84 and 21,898.68

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Solution

The fourth proportional to 36,240.84, 50,012.84 and 21,898.68 is: 30,220.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,240.84 : 50,012.84 = 21,898.68 : x
  2. Step 2: Convert to fraction form
    36,240.84/50,012.84 = 21,898.68/x
  3. Step 3: Cross multiply
    36,240.84x = 50,012.84 × 21,898.68
  4. Step 4: Simplify right side
    36,240.84x = 1,095,215,179.05
  5. Step 5: Solve for x
    x = 1,095,215,179.05/36,240.84
  6. Step 6: Final answer
    x = 30,220.47

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1.5x scale

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.