Home / 45,393.82-68,090.76-14,231.50

Finding the Fourth Proportional to 45,393.82, 68,090.76 and 14,231.50

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Solution

The fourth proportional to 45,393.82, 68,090.76 and 14,231.50 is: 21,347.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,393.82 : 68,090.76 = 14,231.50 : x
  2. Step 2: Convert to fraction form
    45,393.82/68,090.76 = 14,231.50/x
  3. Step 3: Cross multiply
    45,393.82x = 68,090.76 × 14,231.50
  4. Step 4: Simplify right side
    45,393.82x = 969,033,650.94
  5. Step 5: Solve for x
    x = 969,033,650.94/45,393.82
  6. Step 6: Final answer
    x = 21,347.26

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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.