Home / 43,003.32-64,517.94-13,424.28

Finding the Fourth Proportional to 43,003.32, 64,517.94 and 13,424.28

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Solution

The fourth proportional to 43,003.32, 64,517.94 and 13,424.28 is: 20,140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,003.32 : 64,517.94 = 13,424.28 : x
  2. Step 2: Convert to fraction form
    43,003.32/64,517.94 = 13,424.28/x
  3. Step 3: Cross multiply
    43,003.32x = 64,517.94 × 13,424.28
  4. Step 4: Simplify right side
    43,003.32x = 866,106,891.58
  5. Step 5: Solve for x
    x = 866,106,891.58/43,003.32
  6. Step 6: Final answer
    x = 20,140.47

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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.