Home / 62,403.67-86,109.37-39,425.05

Finding the Fourth Proportional to 62,403.67, 86,109.37 and 39,425.05

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Solution

The fourth proportional to 62,403.67, 86,109.37 and 39,425.05 is: 54,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,403.67 : 86,109.37 = 39,425.05 : x
  2. Step 2: Convert to fraction form
    62,403.67/86,109.37 = 39,425.05/x
  3. Step 3: Cross multiply
    62,403.67x = 86,109.37 × 39,425.05
  4. Step 4: Simplify right side
    62,403.67x = 3,394,866,217.72
  5. Step 5: Solve for x
    x = 3,394,866,217.72/62,403.67
  6. Step 6: Final answer
    x = 54,401.71

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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.