Home / 45,393.57-68,090.36-14,231.25

Finding the Fourth Proportional to 45,393.57, 68,090.36 and 14,231.25

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Solution

The fourth proportional to 45,393.57, 68,090.36 and 14,231.25 is: 21,346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,393.57 : 68,090.36 = 14,231.25 : x
  2. Step 2: Convert to fraction form
    45,393.57/68,090.36 = 14,231.25/x
  3. Step 3: Cross multiply
    45,393.57x = 68,090.36 × 14,231.25
  4. Step 4: Simplify right side
    45,393.57x = 969,010,864.59
  5. Step 5: Solve for x
    x = 969,010,864.59/45,393.57
  6. Step 6: Final answer
    x = 21,346.88

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Similar ratio
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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.