Home / 54,602.13-81,903.64-15,162.31

Finding the Fourth Proportional to 54,602.13, 81,903.64 and 15,162.31

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Solution

The fourth proportional to 54,602.13, 81,903.64 and 15,162.31 is: 22,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,602.13 : 81,903.64 = 15,162.31 : x
  2. Step 2: Convert to fraction form
    54,602.13/81,903.64 = 15,162.31/x
  3. Step 3: Cross multiply
    54,602.13x = 81,903.64 × 15,162.31
  4. Step 4: Simplify right side
    54,602.13x = 1,241,848,379.81
  5. Step 5: Solve for x
    x = 1,241,848,379.81/54,602.13
  6. Step 6: Final answer
    x = 22,743.59

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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.