Home / 38,871.36-58,317.12-16,680.96

Finding the Fourth Proportional to 38,871.36, 58,317.12 and 16,680.96

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Solution

The fourth proportional to 38,871.36, 58,317.12 and 16,680.96 is: 25,025.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,871.36 : 58,317.12 = 16,680.96 : x
  2. Step 2: Convert to fraction form
    38,871.36/58,317.12 = 16,680.96/x
  3. Step 3: Cross multiply
    38,871.36x = 58,317.12 × 16,680.96
  4. Step 4: Simplify right side
    38,871.36x = 972,785,546.04
  5. Step 5: Solve for x
    x = 972,785,546.04/38,871.36
  6. Step 6: Final answer
    x = 25,025.77

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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.