Home / 31,537.55-43,520.22-19,600.65

Finding the Fourth Proportional to 31,537.55, 43,520.22 and 19,600.65

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Solution

The fourth proportional to 31,537.55, 43,520.22 and 19,600.65 is: 27,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.55 : 43,520.22 = 19,600.65 : x
  2. Step 2: Convert to fraction form
    31,537.55/43,520.22 = 19,600.65/x
  3. Step 3: Cross multiply
    31,537.55x = 43,520.22 × 19,600.65
  4. Step 4: Simplify right side
    31,537.55x = 853,024,600.14
  5. Step 5: Solve for x
    x = 853,024,600.14/31,537.55
  6. Step 6: Final answer
    x = 27,047.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.