Home / 36,146.12-49,881.15-20,230.56

Finding the Fourth Proportional to 36,146.12, 49,881.15 and 20,230.56

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Solution

The fourth proportional to 36,146.12, 49,881.15 and 20,230.56 is: 27,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,146.12 : 49,881.15 = 20,230.56 : x
  2. Step 2: Convert to fraction form
    36,146.12/49,881.15 = 20,230.56/x
  3. Step 3: Cross multiply
    36,146.12x = 49,881.15 × 20,230.56
  4. Step 4: Simplify right side
    36,146.12x = 1,009,123,597.94
  5. Step 5: Solve for x
    x = 1,009,123,597.94/36,146.12
  6. Step 6: Final answer
    x = 27,917.90

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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.