Home / 42,255.80-63,383.70-25,634.60

Finding the Fourth Proportional to 42,255.80, 63,383.70 and 25,634.60

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Solution

The fourth proportional to 42,255.80, 63,383.70 and 25,634.60 is: 38,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,255.80 : 63,383.70 = 25,634.60 : x
  2. Step 2: Convert to fraction form
    42,255.80/63,383.70 = 25,634.60/x
  3. Step 3: Cross multiply
    42,255.80x = 63,383.70 × 25,634.60
  4. Step 4: Simplify right side
    42,255.80x = 1,624,815,796.02
  5. Step 5: Solve for x
    x = 1,624,815,796.02/42,255.80
  6. Step 6: Final answer
    x = 38,451.90

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1.5x scale

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.