Home / 42,238.92-63,372.44-14,161.75

Finding the Fourth Proportional to 42,238.92, 63,372.44 and 14,161.75

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Solution

The fourth proportional to 42,238.92, 63,372.44 and 14,161.75 is: 21,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,238.92 : 63,372.44 = 14,161.75 : x
  2. Step 2: Convert to fraction form
    42,238.92/63,372.44 = 14,161.75/x
  3. Step 3: Cross multiply
    42,238.92x = 63,372.44 × 14,161.75
  4. Step 4: Simplify right side
    42,238.92x = 897,464,652.17
  5. Step 5: Solve for x
    x = 897,464,652.17/42,238.92
  6. Step 6: Final answer
    x = 21,247.34

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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.