Home / 43,231.54-64,853.37-15,145.16

Finding the Fourth Proportional to 43,231.54, 64,853.37 and 15,145.16

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Solution

The fourth proportional to 43,231.54, 64,853.37 and 15,145.16 is: 22,719.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,231.54 : 64,853.37 = 15,145.16 : x
  2. Step 2: Convert to fraction form
    43,231.54/64,853.37 = 15,145.16/x
  3. Step 3: Cross multiply
    43,231.54x = 64,853.37 × 15,145.16
  4. Step 4: Simplify right side
    43,231.54x = 982,214,827.32
  5. Step 5: Solve for x
    x = 982,214,827.32/43,231.54
  6. Step 6: Final answer
    x = 22,719.87

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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.