Home / 50,643.72-75,942.48-21,043.92

Finding the Fourth Proportional to 50,643.72, 75,942.48 and 21,043.92

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Solution

The fourth proportional to 50,643.72, 75,942.48 and 21,043.92 is: 31,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,643.72 : 75,942.48 = 21,043.92 : x
  2. Step 2: Convert to fraction form
    50,643.72/75,942.48 = 21,043.92/x
  3. Step 3: Cross multiply
    50,643.72x = 75,942.48 × 21,043.92
  4. Step 4: Simplify right side
    50,643.72x = 1,598,127,473.72
  5. Step 5: Solve for x
    x = 1,598,127,473.72/50,643.72
  6. Step 6: Final answer
    x = 31,556.28

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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.