Home / 31,290.99-46,951.88-12,570.27

Finding the Fourth Proportional to 31,290.99, 46,951.88 and 12,570.27

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Solution

The fourth proportional to 31,290.99, 46,951.88 and 12,570.27 is: 18,861.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,290.99 : 46,951.88 = 12,570.27 : x
  2. Step 2: Convert to fraction form
    31,290.99/46,951.88 = 12,570.27/x
  3. Step 3: Cross multiply
    31,290.99x = 46,951.88 × 12,570.27
  4. Step 4: Simplify right side
    31,290.99x = 590,197,745.76
  5. Step 5: Solve for x
    x = 590,197,745.76/31,290.99
  6. Step 6: Final answer
    x = 18,861.59

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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.