Home / 31,756.19-47,634.66-21,892.82

Finding the Fourth Proportional to 31,756.19, 47,634.66 and 21,892.82

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Solution

The fourth proportional to 31,756.19, 47,634.66 and 21,892.82 is: 32,839.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,756.19 : 47,634.66 = 21,892.82 : x
  2. Step 2: Convert to fraction form
    31,756.19/47,634.66 = 21,892.82/x
  3. Step 3: Cross multiply
    31,756.19x = 47,634.66 × 21,892.82
  4. Step 4: Simplify right side
    31,756.19x = 1,042,857,037.14
  5. Step 5: Solve for x
    x = 1,042,857,037.14/31,756.19
  6. Step 6: Final answer
    x = 32,839.49

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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.