Home / 70,028.61-96,622.89-39,811.56

Finding the Fourth Proportional to 70,028.61, 96,622.89 and 39,811.56

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Solution

The fourth proportional to 70,028.61, 96,622.89 and 39,811.56 is: 54,930.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,028.61 : 96,622.89 = 39,811.56 : x
  2. Step 2: Convert to fraction form
    70,028.61/96,622.89 = 39,811.56/x
  3. Step 3: Cross multiply
    70,028.61x = 96,622.89 × 39,811.56
  4. Step 4: Simplify right side
    70,028.61x = 3,846,707,982.61
  5. Step 5: Solve for x
    x = 3,846,707,982.61/70,028.61
  6. Step 6: Final answer
    x = 54,930.52

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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.