Home / 39,046.42-58,578.90-12,751.12

Finding the Fourth Proportional to 39,046.42, 58,578.90 and 12,751.12

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Solution

The fourth proportional to 39,046.42, 58,578.90 and 12,751.12 is: 19,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,046.42 : 58,578.90 = 12,751.12 : x
  2. Step 2: Convert to fraction form
    39,046.42/58,578.90 = 12,751.12/x
  3. Step 3: Cross multiply
    39,046.42x = 58,578.90 × 12,751.12
  4. Step 4: Simplify right side
    39,046.42x = 746,946,583.37
  5. Step 5: Solve for x
    x = 746,946,583.37/39,046.42
  6. Step 6: Final answer
    x = 19,129.71

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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.