Home / 39,847.52-59,771.28-13,571.12

Finding the Fourth Proportional to 39,847.52, 59,771.28 and 13,571.12

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Solution

The fourth proportional to 39,847.52, 59,771.28 and 13,571.12 is: 20,356.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,847.52 : 59,771.28 = 13,571.12 : x
  2. Step 2: Convert to fraction form
    39,847.52/59,771.28 = 13,571.12/x
  3. Step 3: Cross multiply
    39,847.52x = 59,771.28 × 13,571.12
  4. Step 4: Simplify right side
    39,847.52x = 811,163,213.43
  5. Step 5: Solve for x
    x = 811,163,213.43/39,847.52
  6. Step 6: Final answer
    x = 20,356.68

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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.