Home / 45,116.32-67,680.96-13,954

Finding the Fourth Proportional to 45,116.32, 67,680.96 and 13,954

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Solution

The fourth proportional to 45,116.32, 67,680.96 and 13,954 is: 20,933.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,116.32 : 67,680.96 = 13,954 : x
  2. Step 2: Convert to fraction form
    45,116.32/67,680.96 = 13,954/x
  3. Step 3: Cross multiply
    45,116.32x = 67,680.96 × 13,954
  4. Step 4: Simplify right side
    45,116.32x = 944,420,115.84
  5. Step 5: Solve for x
    x = 944,420,115.84/45,116.32
  6. Step 6: Final answer
    x = 20,933.00

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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.