Home / 34,898.67-48,286.89-30,431.70

Finding the Fourth Proportional to 34,898.67, 48,286.89 and 30,431.70

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Solution

The fourth proportional to 34,898.67, 48,286.89 and 30,431.70 is: 42,106.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,898.67 : 48,286.89 = 30,431.70 : x
  2. Step 2: Convert to fraction form
    34,898.67/48,286.89 = 30,431.70/x
  3. Step 3: Cross multiply
    34,898.67x = 48,286.89 × 30,431.70
  4. Step 4: Simplify right side
    34,898.67x = 1,469,452,150.41
  5. Step 5: Solve for x
    x = 1,469,452,150.41/34,898.67
  6. Step 6: Final answer
    x = 42,106.25

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1.5x scale

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.