Home / 30,494.38-45,694.32-21,152.56

Finding the Fourth Proportional to 30,494.38, 45,694.32 and 21,152.56

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Solution

The fourth proportional to 30,494.38, 45,694.32 and 21,152.56 is: 31,696.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,494.38 : 45,694.32 = 21,152.56 : x
  2. Step 2: Convert to fraction form
    30,494.38/45,694.32 = 21,152.56/x
  3. Step 3: Cross multiply
    30,494.38x = 45,694.32 × 21,152.56
  4. Step 4: Simplify right side
    30,494.38x = 966,551,845.46
  5. Step 5: Solve for x
    x = 966,551,845.46/30,494.38
  6. Step 6: Final answer
    x = 31,696.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.