Home / 51,531.24-71,096.52-31,396.32

Finding the Fourth Proportional to 51,531.24, 71,096.52 and 31,396.32

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Solution

The fourth proportional to 51,531.24, 71,096.52 and 31,396.32 is: 43,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,531.24 : 71,096.52 = 31,396.32 : x
  2. Step 2: Convert to fraction form
    51,531.24/71,096.52 = 31,396.32/x
  3. Step 3: Cross multiply
    51,531.24x = 71,096.52 × 31,396.32
  4. Step 4: Simplify right side
    51,531.24x = 2,232,169,092.81
  5. Step 5: Solve for x
    x = 2,232,169,092.81/51,531.24
  6. Step 6: Final answer
    x = 43,316.81

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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.