Home / 38,187.67-57,286.53-14,168.70

Finding the Fourth Proportional to 38,187.67, 57,286.53 and 14,168.70

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Solution

The fourth proportional to 38,187.67, 57,286.53 and 14,168.70 is: 21,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,187.67 : 57,286.53 = 14,168.70 : x
  2. Step 2: Convert to fraction form
    38,187.67/57,286.53 = 14,168.70/x
  3. Step 3: Cross multiply
    38,187.67x = 57,286.53 × 14,168.70
  4. Step 4: Simplify right side
    38,187.67x = 811,675,657.61
  5. Step 5: Solve for x
    x = 811,675,657.61/38,187.67
  6. Step 6: Final answer
    x = 21,254.91

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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.