Home / 51,842.79-71,542.98-30,347.33

Finding the Fourth Proportional to 51,842.79, 71,542.98 and 30,347.33

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Solution

The fourth proportional to 51,842.79, 71,542.98 and 30,347.33 is: 41,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,842.79 : 71,542.98 = 30,347.33 : x
  2. Step 2: Convert to fraction form
    51,842.79/71,542.98 = 30,347.33/x
  3. Step 3: Cross multiply
    51,842.79x = 71,542.98 × 30,347.33
  4. Step 4: Simplify right side
    51,842.79x = 2,171,138,065.53
  5. Step 5: Solve for x
    x = 2,171,138,065.53/51,842.79
  6. Step 6: Final answer
    x = 41,879.27

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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.