Home / 43,281.09-64,950-15,200.41

Finding the Fourth Proportional to 43,281.09, 64,950 and 15,200.41

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Solution

The fourth proportional to 43,281.09, 64,950 and 15,200.41 is: 22,810.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,281.09 : 64,950 = 15,200.41 : x
  2. Step 2: Convert to fraction form
    43,281.09/64,950 = 15,200.41/x
  3. Step 3: Cross multiply
    43,281.09x = 64,950 × 15,200.41
  4. Step 4: Simplify right side
    43,281.09x = 987,266,629.50
  5. Step 5: Solve for x
    x = 987,266,629.50/43,281.09
  6. Step 6: Final answer
    x = 22,810.58

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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.