Home / 57,127.44-78,828.48-31,976.94

Finding the Fourth Proportional to 57,127.44, 78,828.48 and 31,976.94

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Solution

The fourth proportional to 57,127.44, 78,828.48 and 31,976.94 is: 44,124.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,127.44 : 78,828.48 = 31,976.94 : x
  2. Step 2: Convert to fraction form
    57,127.44/78,828.48 = 31,976.94/x
  3. Step 3: Cross multiply
    57,127.44x = 78,828.48 × 31,976.94
  4. Step 4: Simplify right side
    57,127.44x = 2,520,693,575.25
  5. Step 5: Solve for x
    x = 2,520,693,575.25/57,127.44
  6. Step 6: Final answer
    x = 44,124.04

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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.