Home / 73,815.28-110,630.13-31,645.47

Finding the Fourth Proportional to 73,815.28, 110,630.13 and 31,645.47

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Solution

The fourth proportional to 73,815.28, 110,630.13 and 31,645.47 is: 47,428.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,815.28 : 110,630.13 = 31,645.47 : x
  2. Step 2: Convert to fraction form
    73,815.28/110,630.13 = 31,645.47/x
  3. Step 3: Cross multiply
    73,815.28x = 110,630.13 × 31,645.47
  4. Step 4: Simplify right side
    73,815.28x = 3,500,942,460.01
  5. Step 5: Solve for x
    x = 3,500,942,460.01/73,815.28
  6. Step 6: Final answer
    x = 47,428.42

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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.