Home / 54,728.92-82,090.41-21,454.93

Finding the Fourth Proportional to 54,728.92, 82,090.41 and 21,454.93

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Solution

The fourth proportional to 54,728.92, 82,090.41 and 21,454.93 is: 32,181.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,728.92 : 82,090.41 = 21,454.93 : x
  2. Step 2: Convert to fraction form
    54,728.92/82,090.41 = 21,454.93/x
  3. Step 3: Cross multiply
    54,728.92x = 82,090.41 × 21,454.93
  4. Step 4: Simplify right side
    54,728.92x = 1,761,244,000.22
  5. Step 5: Solve for x
    x = 1,761,244,000.22/54,728.92
  6. Step 6: Final answer
    x = 32,181.23

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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.