Home / 40,871.25-61,308.27-11,291.36

Finding the Fourth Proportional to 40,871.25, 61,308.27 and 11,291.36

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Solution

The fourth proportional to 40,871.25, 61,308.27 and 11,291.36 is: 16,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,871.25 : 61,308.27 = 11,291.36 : x
  2. Step 2: Convert to fraction form
    40,871.25/61,308.27 = 11,291.36/x
  3. Step 3: Cross multiply
    40,871.25x = 61,308.27 × 11,291.36
  4. Step 4: Simplify right side
    40,871.25x = 692,253,441.01
  5. Step 5: Solve for x
    x = 692,253,441.01/40,871.25
  6. Step 6: Final answer
    x = 16,937.42

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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.