Home / 39,745.89-59,615.19-13,447.62

Finding the Fourth Proportional to 39,745.89, 59,615.19 and 13,447.62

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Solution

The fourth proportional to 39,745.89, 59,615.19 and 13,447.62 is: 20,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,745.89 : 59,615.19 = 13,447.62 : x
  2. Step 2: Convert to fraction form
    39,745.89/59,615.19 = 13,447.62/x
  3. Step 3: Cross multiply
    39,745.89x = 59,615.19 × 13,447.62
  4. Step 4: Simplify right side
    39,745.89x = 801,682,421.35
  5. Step 5: Solve for x
    x = 801,682,421.35/39,745.89
  6. Step 6: Final answer
    x = 20,170.20

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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.