Home / 54,241.64-81,367.81-18,698.28

Finding the Fourth Proportional to 54,241.64, 81,367.81 and 18,698.28

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Solution

The fourth proportional to 54,241.64, 81,367.81 and 18,698.28 is: 28,049.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,241.64 : 81,367.81 = 18,698.28 : x
  2. Step 2: Convert to fraction form
    54,241.64/81,367.81 = 18,698.28/x
  3. Step 3: Cross multiply
    54,241.64x = 81,367.81 × 18,698.28
  4. Step 4: Simplify right side
    54,241.64x = 1,521,438,094.37
  5. Step 5: Solve for x
    x = 1,521,438,094.37/54,241.64
  6. Step 6: Final answer
    x = 28,049.26

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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.