Home / 51,884.36-71,605.50-30,372.80

Finding the Fourth Proportional to 51,884.36, 71,605.50 and 30,372.80

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Solution

The fourth proportional to 51,884.36, 71,605.50 and 30,372.80 is: 41,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,884.36 : 71,605.50 = 30,372.80 : x
  2. Step 2: Convert to fraction form
    51,884.36/71,605.50 = 30,372.80/x
  3. Step 3: Cross multiply
    51,884.36x = 71,605.50 × 30,372.80
  4. Step 4: Simplify right side
    51,884.36x = 2,174,859,709.41
  5. Step 5: Solve for x
    x = 2,174,859,709.41/51,884.36
  6. Step 6: Final answer
    x = 41,917.45

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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.