Home / 51,911.36-71,606.40-39,314.24

Finding the Fourth Proportional to 51,911.36, 71,606.40 and 39,314.24

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Solution

The fourth proportional to 51,911.36, 71,606.40 and 39,314.24 is: 54,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,911.36 : 71,606.40 = 39,314.24 : x
  2. Step 2: Convert to fraction form
    51,911.36/71,606.40 = 39,314.24/x
  3. Step 3: Cross multiply
    51,911.36x = 71,606.40 × 39,314.24
  4. Step 4: Simplify right side
    51,911.36x = 2,815,151,195.14
  5. Step 5: Solve for x
    x = 2,815,151,195.14/51,911.36
  6. Step 6: Final answer
    x = 54,229.96

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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.