Home / 38,079.40-57,121.34-14,705.96

Finding the Fourth Proportional to 38,079.40, 57,121.34 and 14,705.96

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Solution

The fourth proportional to 38,079.40, 57,121.34 and 14,705.96 is: 22,059.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079.40 : 57,121.34 = 14,705.96 : x
  2. Step 2: Convert to fraction form
    38,079.40/57,121.34 = 14,705.96/x
  3. Step 3: Cross multiply
    38,079.40x = 57,121.34 × 14,705.96
  4. Step 4: Simplify right side
    38,079.40x = 840,024,141.19
  5. Step 5: Solve for x
    x = 840,024,141.19/38,079.40
  6. Step 6: Final answer
    x = 22,059.81

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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.