Home / 45,273.15-67,910.19-13,683.47

Finding the Fourth Proportional to 45,273.15, 67,910.19 and 13,683.47

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Solution

The fourth proportional to 45,273.15, 67,910.19 and 13,683.47 is: 20,525.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,273.15 : 67,910.19 = 13,683.47 : x
  2. Step 2: Convert to fraction form
    45,273.15/67,910.19 = 13,683.47/x
  3. Step 3: Cross multiply
    45,273.15x = 67,910.19 × 13,683.47
  4. Step 4: Simplify right side
    45,273.15x = 929,246,656.70
  5. Step 5: Solve for x
    x = 929,246,656.70/45,273.15
  6. Step 6: Final answer
    x = 20,525.34

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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.