Home / 39,823.66-59,686.26-20,107.84

Finding the Fourth Proportional to 39,823.66, 59,686.26 and 20,107.84

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Solution

The fourth proportional to 39,823.66, 59,686.26 and 20,107.84 is: 30,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,823.66 : 59,686.26 = 20,107.84 : x
  2. Step 2: Convert to fraction form
    39,823.66/59,686.26 = 20,107.84/x
  3. Step 3: Cross multiply
    39,823.66x = 59,686.26 × 20,107.84
  4. Step 4: Simplify right side
    39,823.66x = 1,200,161,766.28
  5. Step 5: Solve for x
    x = 1,200,161,766.28/39,823.66
  6. Step 6: Final answer
    x = 30,136.90

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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.