Home / 36,780.15-50,760.35-21,677.49

Finding the Fourth Proportional to 36,780.15, 50,760.35 and 21,677.49

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Solution

The fourth proportional to 36,780.15, 50,760.35 and 21,677.49 is: 29,917.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,780.15 : 50,760.35 = 21,677.49 : x
  2. Step 2: Convert to fraction form
    36,780.15/50,760.35 = 21,677.49/x
  3. Step 3: Cross multiply
    36,780.15x = 50,760.35 × 21,677.49
  4. Step 4: Simplify right side
    36,780.15x = 1,100,356,871.13
  5. Step 5: Solve for x
    x = 1,100,356,871.13/36,780.15
  6. Step 6: Final answer
    x = 29,917.14

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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.