Home / 45,293.56-67,940.34-14,131.24

Finding the Fourth Proportional to 45,293.56, 67,940.34 and 14,131.24

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Solution

The fourth proportional to 45,293.56, 67,940.34 and 14,131.24 is: 21,196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,293.56 : 67,940.34 = 14,131.24 : x
  2. Step 2: Convert to fraction form
    45,293.56/67,940.34 = 14,131.24/x
  3. Step 3: Cross multiply
    45,293.56x = 67,940.34 × 14,131.24
  4. Step 4: Simplify right side
    45,293.56x = 960,081,250.22
  5. Step 5: Solve for x
    x = 960,081,250.22/45,293.56
  6. Step 6: Final answer
    x = 21,196.86

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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.