Home / 31,766.52-43,834.64-18,342.10

Finding the Fourth Proportional to 31,766.52, 43,834.64 and 18,342.10

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Solution

The fourth proportional to 31,766.52, 43,834.64 and 18,342.10 is: 25,310.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,766.52 : 43,834.64 = 18,342.10 : x
  2. Step 2: Convert to fraction form
    31,766.52/43,834.64 = 18,342.10/x
  3. Step 3: Cross multiply
    31,766.52x = 43,834.64 × 18,342.10
  4. Step 4: Simplify right side
    31,766.52x = 804,019,350.34
  5. Step 5: Solve for x
    x = 804,019,350.34/31,766.52
  6. Step 6: Final answer
    x = 25,310.27

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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.