Home / 39,629.60-59,440.68-13,334.64

Finding the Fourth Proportional to 39,629.60, 59,440.68 and 13,334.64

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Solution

The fourth proportional to 39,629.60, 59,440.68 and 13,334.64 is: 20,000.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,629.60 : 59,440.68 = 13,334.64 : x
  2. Step 2: Convert to fraction form
    39,629.60/59,440.68 = 13,334.64/x
  3. Step 3: Cross multiply
    39,629.60x = 59,440.68 × 13,334.64
  4. Step 4: Simplify right side
    39,629.60x = 792,620,069.16
  5. Step 5: Solve for x
    x = 792,620,069.16/39,629.60
  6. Step 6: Final answer
    x = 20,000.71

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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.