Home / 54,501.48-81,723.42-28,201.32

Finding the Fourth Proportional to 54,501.48, 81,723.42 and 28,201.32

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Solution

The fourth proportional to 54,501.48, 81,723.42 and 28,201.32 is: 42,287.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,501.48 : 81,723.42 = 28,201.32 : x
  2. Step 2: Convert to fraction form
    54,501.48/81,723.42 = 28,201.32/x
  3. Step 3: Cross multiply
    54,501.48x = 81,723.42 × 28,201.32
  4. Step 4: Simplify right side
    54,501.48x = 2,304,708,318.91
  5. Step 5: Solve for x
    x = 2,304,708,318.91/54,501.48
  6. Step 6: Final answer
    x = 42,287.08

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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.