Home / 50,631.84-75,906.63-21,071.79

Finding the Fourth Proportional to 50,631.84, 75,906.63 and 21,071.79

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Solution

The fourth proportional to 50,631.84, 75,906.63 and 21,071.79 is: 31,590.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,631.84 : 75,906.63 = 21,071.79 : x
  2. Step 2: Convert to fraction form
    50,631.84/75,906.63 = 21,071.79/x
  3. Step 3: Cross multiply
    50,631.84x = 75,906.63 × 21,071.79
  4. Step 4: Simplify right side
    50,631.84x = 1,599,488,566.97
  5. Step 5: Solve for x
    x = 1,599,488,566.97/50,631.84
  6. Step 6: Final answer
    x = 31,590.57

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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.