Home / 39,197.43-58,804.53-12,179.21

Finding the Fourth Proportional to 39,197.43, 58,804.53 and 12,179.21

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Solution

The fourth proportional to 39,197.43, 58,804.53 and 12,179.21 is: 18,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,197.43 : 58,804.53 = 12,179.21 : x
  2. Step 2: Convert to fraction form
    39,197.43/58,804.53 = 12,179.21/x
  3. Step 3: Cross multiply
    39,197.43x = 58,804.53 × 12,179.21
  4. Step 4: Simplify right side
    39,197.43x = 716,192,425.80
  5. Step 5: Solve for x
    x = 716,192,425.80/39,197.43
  6. Step 6: Final answer
    x = 18,271.41

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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.