Home / 39,586.69-59,382.92-13,291.21

Finding the Fourth Proportional to 39,586.69, 59,382.92 and 13,291.21

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Solution

The fourth proportional to 39,586.69, 59,382.92 and 13,291.21 is: 19,937.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,586.69 : 59,382.92 = 13,291.21 : x
  2. Step 2: Convert to fraction form
    39,586.69/59,382.92 = 13,291.21/x
  3. Step 3: Cross multiply
    39,586.69x = 59,382.92 × 13,291.21
  4. Step 4: Simplify right side
    39,586.69x = 789,270,793.68
  5. Step 5: Solve for x
    x = 789,270,793.68/39,586.69
  6. Step 6: Final answer
    x = 19,937.78

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1.5x scale

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.