Home / 39,745.09-59,580.57-13,431.43

Finding the Fourth Proportional to 39,745.09, 59,580.57 and 13,431.43

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Solution

The fourth proportional to 39,745.09, 59,580.57 and 13,431.43 is: 20,134.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,745.09 : 59,580.57 = 13,431.43 : x
  2. Step 2: Convert to fraction form
    39,745.09/59,580.57 = 13,431.43/x
  3. Step 3: Cross multiply
    39,745.09x = 59,580.57 × 13,431.43
  4. Step 4: Simplify right side
    39,745.09x = 800,252,255.32
  5. Step 5: Solve for x
    x = 800,252,255.32/39,745.09
  6. Step 6: Final answer
    x = 20,134.62

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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.