Home / 51,991.04-71,744.28-29,633.60

Finding the Fourth Proportional to 51,991.04, 71,744.28 and 29,633.60

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Solution

The fourth proportional to 51,991.04, 71,744.28 and 29,633.60 is: 40,892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,991.04 : 71,744.28 = 29,633.60 : x
  2. Step 2: Convert to fraction form
    51,991.04/71,744.28 = 29,633.60/x
  3. Step 3: Cross multiply
    51,991.04x = 71,744.28 × 29,633.60
  4. Step 4: Simplify right side
    51,991.04x = 2,126,040,937.09
  5. Step 5: Solve for x
    x = 2,126,040,937.09/51,991.04
  6. Step 6: Final answer
    x = 40,892.45

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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.