Home / 39,245.67-54,134.78-34,221.89

Finding the Fourth Proportional to 39,245.67, 54,134.78 and 34,221.89

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Solution

The fourth proportional to 39,245.67, 54,134.78 and 34,221.89 is: 47,205.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,245.67 : 54,134.78 = 34,221.89 : x
  2. Step 2: Convert to fraction form
    39,245.67/54,134.78 = 34,221.89/x
  3. Step 3: Cross multiply
    39,245.67x = 54,134.78 × 34,221.89
  4. Step 4: Simplify right side
    39,245.67x = 1,852,594,450.56
  5. Step 5: Solve for x
    x = 1,852,594,450.56/39,245.67
  6. Step 6: Final answer
    x = 47,205.07

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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.