Home / 49,146.54-73,719.88-21,064.39

Finding the Fourth Proportional to 49,146.54, 73,719.88 and 21,064.39

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Solution

The fourth proportional to 49,146.54, 73,719.88 and 21,064.39 is: 31,596.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,146.54 : 73,719.88 = 21,064.39 : x
  2. Step 2: Convert to fraction form
    49,146.54/73,719.88 = 21,064.39/x
  3. Step 3: Cross multiply
    49,146.54x = 73,719.88 × 21,064.39
  4. Step 4: Simplify right side
    49,146.54x = 1,552,864,599.27
  5. Step 5: Solve for x
    x = 1,552,864,599.27/49,146.54
  6. Step 6: Final answer
    x = 31,596.62

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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.