Home / 42,141.79-63,221.92-15,846.54

Finding the Fourth Proportional to 42,141.79, 63,221.92 and 15,846.54

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Solution

The fourth proportional to 42,141.79, 63,221.92 and 15,846.54 is: 23,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,141.79 : 63,221.92 = 15,846.54 : x
  2. Step 2: Convert to fraction form
    42,141.79/63,221.92 = 15,846.54/x
  3. Step 3: Cross multiply
    42,141.79x = 63,221.92 × 15,846.54
  4. Step 4: Simplify right side
    42,141.79x = 1,001,848,288.81
  5. Step 5: Solve for x
    x = 1,001,848,288.81/42,141.79
  6. Step 6: Final answer
    x = 23,773.27

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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.