Home / 38,336.31-57,503.07-18,609.57

Finding the Fourth Proportional to 38,336.31, 57,503.07 and 18,609.57

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Solution

The fourth proportional to 38,336.31, 57,503.07 and 18,609.57 is: 27,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,336.31 : 57,503.07 = 18,609.57 : x
  2. Step 2: Convert to fraction form
    38,336.31/57,503.07 = 18,609.57/x
  3. Step 3: Cross multiply
    38,336.31x = 57,503.07 × 18,609.57
  4. Step 4: Simplify right side
    38,336.31x = 1,070,107,406.38
  5. Step 5: Solve for x
    x = 1,070,107,406.38/38,336.31
  6. Step 6: Final answer
    x = 27,913.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.