Home / 38,474.70-57,718.05-12,176.94

Finding the Fourth Proportional to 38,474.70, 57,718.05 and 12,176.94

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Solution

The fourth proportional to 38,474.70, 57,718.05 and 12,176.94 is: 18,267.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,474.70 : 57,718.05 = 12,176.94 : x
  2. Step 2: Convert to fraction form
    38,474.70/57,718.05 = 12,176.94/x
  3. Step 3: Cross multiply
    38,474.70x = 57,718.05 × 12,176.94
  4. Step 4: Simplify right side
    38,474.70x = 702,829,231.77
  5. Step 5: Solve for x
    x = 702,829,231.77/38,474.70
  6. Step 6: Final answer
    x = 18,267.31

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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.