Home / 54,225.42-81,322.48-18,685.29

Finding the Fourth Proportional to 54,225.42, 81,322.48 and 18,685.29

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Solution

The fourth proportional to 54,225.42, 81,322.48 and 18,685.29 is: 28,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,225.42 : 81,322.48 = 18,685.29 : x
  2. Step 2: Convert to fraction form
    54,225.42/81,322.48 = 18,685.29/x
  3. Step 3: Cross multiply
    54,225.42x = 81,322.48 × 18,685.29
  4. Step 4: Simplify right side
    54,225.42x = 1,519,534,122.32
  5. Step 5: Solve for x
    x = 1,519,534,122.32/54,225.42
  6. Step 6: Final answer
    x = 28,022.54

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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.