Home / 38,110.10-57,167.31-11,818.58

Finding the Fourth Proportional to 38,110.10, 57,167.31 and 11,818.58

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Solution

The fourth proportional to 38,110.10, 57,167.31 and 11,818.58 is: 17,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,110.10 : 57,167.31 = 11,818.58 : x
  2. Step 2: Convert to fraction form
    38,110.10/57,167.31 = 11,818.58/x
  3. Step 3: Cross multiply
    38,110.10x = 57,167.31 × 11,818.58
  4. Step 4: Simplify right side
    38,110.10x = 675,636,426.62
  5. Step 5: Solve for x
    x = 675,636,426.62/38,110.10
  6. Step 6: Final answer
    x = 17,728.54

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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.