Home / 31,299.26-43,191.55-17,151.80

Finding the Fourth Proportional to 31,299.26, 43,191.55 and 17,151.80

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Solution

The fourth proportional to 31,299.26, 43,191.55 and 17,151.80 is: 23,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,299.26 : 43,191.55 = 17,151.80 : x
  2. Step 2: Convert to fraction form
    31,299.26/43,191.55 = 17,151.80/x
  3. Step 3: Cross multiply
    31,299.26x = 43,191.55 × 17,151.80
  4. Step 4: Simplify right side
    31,299.26x = 740,812,632.77
  5. Step 5: Solve for x
    x = 740,812,632.77/31,299.26
  6. Step 6: Final answer
    x = 23,668.70

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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.