Home / 51,992.28-71,749.80-33,129

Finding the Fourth Proportional to 51,992.28, 71,749.80 and 33,129

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Solution

The fourth proportional to 51,992.28, 71,749.80 and 33,129 is: 45,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,992.28 : 71,749.80 = 33,129 : x
  2. Step 2: Convert to fraction form
    51,992.28/71,749.80 = 33,129/x
  3. Step 3: Cross multiply
    51,992.28x = 71,749.80 × 33,129
  4. Step 4: Simplify right side
    51,992.28x = 2,376,999,124.20
  5. Step 5: Solve for x
    x = 2,376,999,124.20/51,992.28
  6. Step 6: Final answer
    x = 45,718.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.