Home / 31,732.34-43,790.58-18,303.38

Finding the Fourth Proportional to 31,732.34, 43,790.58 and 18,303.38

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Solution

The fourth proportional to 31,732.34, 43,790.58 and 18,303.38 is: 25,258.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,732.34 : 43,790.58 = 18,303.38 : x
  2. Step 2: Convert to fraction form
    31,732.34/43,790.58 = 18,303.38/x
  3. Step 3: Cross multiply
    31,732.34x = 43,790.58 × 18,303.38
  4. Step 4: Simplify right side
    31,732.34x = 801,515,626.16
  5. Step 5: Solve for x
    x = 801,515,626.16/31,732.34
  6. Step 6: Final answer
    x = 25,258.64

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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.