Home / 47,645.21-65,696.54-30,394.56

Finding the Fourth Proportional to 47,645.21, 65,696.54 and 30,394.56

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Solution

The fourth proportional to 47,645.21, 65,696.54 and 30,394.56 is: 41,910.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,645.21 : 65,696.54 = 30,394.56 : x
  2. Step 2: Convert to fraction form
    47,645.21/65,696.54 = 30,394.56/x
  3. Step 3: Cross multiply
    47,645.21x = 65,696.54 × 30,394.56
  4. Step 4: Simplify right side
    47,645.21x = 1,996,817,274.85
  5. Step 5: Solve for x
    x = 1,996,817,274.85/47,645.21
  6. Step 6: Final answer
    x = 41,910.14

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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.