Home / 36,953.45-50,991.64-20,821.49

Finding the Fourth Proportional to 36,953.45, 50,991.64 and 20,821.49

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Solution

The fourth proportional to 36,953.45, 50,991.64 and 20,821.49 is: 28,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,953.45 : 50,991.64 = 20,821.49 : x
  2. Step 2: Convert to fraction form
    36,953.45/50,991.64 = 20,821.49/x
  3. Step 3: Cross multiply
    36,953.45x = 50,991.64 × 20,821.49
  4. Step 4: Simplify right side
    36,953.45x = 1,061,721,997.77
  5. Step 5: Solve for x
    x = 1,061,721,997.77/36,953.45
  6. Step 6: Final answer
    x = 28,731.33

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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.