Home / 45,140.27-67,716.33-15,550.16

Finding the Fourth Proportional to 45,140.27, 67,716.33 and 15,550.16

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Solution

The fourth proportional to 45,140.27, 67,716.33 and 15,550.16 is: 23,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,140.27 : 67,716.33 = 15,550.16 : x
  2. Step 2: Convert to fraction form
    45,140.27/67,716.33 = 15,550.16/x
  3. Step 3: Cross multiply
    45,140.27x = 67,716.33 × 15,550.16
  4. Step 4: Simplify right side
    45,140.27x = 1,052,999,427.53
  5. Step 5: Solve for x
    x = 1,052,999,427.53/45,140.27
  6. Step 6: Final answer
    x = 23,327.28

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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.