Home / 31,609.17-43,626.51-18,180.54

Finding the Fourth Proportional to 31,609.17, 43,626.51 and 18,180.54

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Solution

The fourth proportional to 31,609.17, 43,626.51 and 18,180.54 is: 25,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,609.17 : 43,626.51 = 18,180.54 : x
  2. Step 2: Convert to fraction form
    31,609.17/43,626.51 = 18,180.54/x
  3. Step 3: Cross multiply
    31,609.17x = 43,626.51 × 18,180.54
  4. Step 4: Simplify right side
    31,609.17x = 793,153,510.12
  5. Step 5: Solve for x
    x = 793,153,510.12/31,609.17
  6. Step 6: Final answer
    x = 25,092.51

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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.