Home / 42,255.40-63,383.10-41,963.80

Finding the Fourth Proportional to 42,255.40, 63,383.10 and 41,963.80

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Solution

The fourth proportional to 42,255.40, 63,383.10 and 41,963.80 is: 62,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,255.40 : 63,383.10 = 41,963.80 : x
  2. Step 2: Convert to fraction form
    42,255.40/63,383.10 = 41,963.80/x
  3. Step 3: Cross multiply
    42,255.40x = 63,383.10 × 41,963.80
  4. Step 4: Simplify right side
    42,255.40x = 2,659,795,731.78
  5. Step 5: Solve for x
    x = 2,659,795,731.78/42,255.40
  6. Step 6: Final answer
    x = 62,945.70

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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.