Home / 42,204.80-63,230.40-25,769.60

Finding the Fourth Proportional to 42,204.80, 63,230.40 and 25,769.60

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Solution

The fourth proportional to 42,204.80, 63,230.40 and 25,769.60 is: 38,607.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,204.80 : 63,230.40 = 25,769.60 : x
  2. Step 2: Convert to fraction form
    42,204.80/63,230.40 = 25,769.60/x
  3. Step 3: Cross multiply
    42,204.80x = 63,230.40 × 25,769.60
  4. Step 4: Simplify right side
    42,204.80x = 1,629,422,115.84
  5. Step 5: Solve for x
    x = 1,629,422,115.84/42,204.80
  6. Step 6: Final answer
    x = 38,607.51

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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.