Home / 45,055.25-67,592.54-13,467.78

Finding the Fourth Proportional to 45,055.25, 67,592.54 and 13,467.78

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Solution

The fourth proportional to 45,055.25, 67,592.54 and 13,467.78 is: 20,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,055.25 : 67,592.54 = 13,467.78 : x
  2. Step 2: Convert to fraction form
    45,055.25/67,592.54 = 13,467.78/x
  3. Step 3: Cross multiply
    45,055.25x = 67,592.54 × 13,467.78
  4. Step 4: Simplify right side
    45,055.25x = 910,321,458.36
  5. Step 5: Solve for x
    x = 910,321,458.36/45,055.25
  6. Step 6: Final answer
    x = 20,204.56

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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.