Home / 39,906.42-59,854.74-10,321.80

Finding the Fourth Proportional to 39,906.42, 59,854.74 and 10,321.80

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Solution

The fourth proportional to 39,906.42, 59,854.74 and 10,321.80 is: 15,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,906.42 : 59,854.74 = 10,321.80 : x
  2. Step 2: Convert to fraction form
    39,906.42/59,854.74 = 10,321.80/x
  3. Step 3: Cross multiply
    39,906.42x = 59,854.74 × 10,321.80
  4. Step 4: Simplify right side
    39,906.42x = 617,808,655.33
  5. Step 5: Solve for x
    x = 617,808,655.33/39,906.42
  6. Step 6: Final answer
    x = 15,481.44

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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.