Home / 42,336.23-63,512.72-14,255.15

Finding the Fourth Proportional to 42,336.23, 63,512.72 and 14,255.15

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Solution

The fourth proportional to 42,336.23, 63,512.72 and 14,255.15 is: 21,385.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,336.23 : 63,512.72 = 14,255.15 : x
  2. Step 2: Convert to fraction form
    42,336.23/63,512.72 = 14,255.15/x
  3. Step 3: Cross multiply
    42,336.23x = 63,512.72 × 14,255.15
  4. Step 4: Simplify right side
    42,336.23x = 905,383,279.23
  5. Step 5: Solve for x
    x = 905,383,279.23/42,336.23
  6. Step 6: Final answer
    x = 21,385.54

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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.