Home / 45,254.80-67,860.33-13,659.03

Finding the Fourth Proportional to 45,254.80, 67,860.33 and 13,659.03

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Solution

The fourth proportional to 45,254.80, 67,860.33 and 13,659.03 is: 20,481.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,254.80 : 67,860.33 = 13,659.03 : x
  2. Step 2: Convert to fraction form
    45,254.80/67,860.33 = 13,659.03/x
  3. Step 3: Cross multiply
    45,254.80x = 67,860.33 × 13,659.03
  4. Step 4: Simplify right side
    45,254.80x = 926,906,308.89
  5. Step 5: Solve for x
    x = 926,906,308.89/45,254.80
  6. Step 6: Final answer
    x = 20,481.94

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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.