Home / 36,034.36-49,742.60-21,891.76

Finding the Fourth Proportional to 36,034.36, 49,742.60 and 21,891.76

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Solution

The fourth proportional to 36,034.36, 49,742.60 and 21,891.76 is: 30,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,034.36 : 49,742.60 = 21,891.76 : x
  2. Step 2: Convert to fraction form
    36,034.36/49,742.60 = 21,891.76/x
  3. Step 3: Cross multiply
    36,034.36x = 49,742.60 × 21,891.76
  4. Step 4: Simplify right side
    36,034.36x = 1,088,953,060.98
  5. Step 5: Solve for x
    x = 1,088,953,060.98/36,034.36
  6. Step 6: Final answer
    x = 30,219.85

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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.