Home / 42,611.31-63,756.26-25,450.58

Finding the Fourth Proportional to 42,611.31, 63,756.26 and 25,450.58

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Solution

The fourth proportional to 42,611.31, 63,756.26 and 25,450.58 is: 38,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,611.31 : 63,756.26 = 25,450.58 : x
  2. Step 2: Convert to fraction form
    42,611.31/63,756.26 = 25,450.58/x
  3. Step 3: Cross multiply
    42,611.31x = 63,756.26 × 25,450.58
  4. Step 4: Simplify right side
    42,611.31x = 1,622,633,795.63
  5. Step 5: Solve for x
    x = 1,622,633,795.63/42,611.31
  6. Step 6: Final answer
    x = 38,079.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.