Home / 43,983.28-65,981.12-14,403.44

Finding the Fourth Proportional to 43,983.28, 65,981.12 and 14,403.44

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Solution

The fourth proportional to 43,983.28, 65,981.12 and 14,403.44 is: 21,607.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,983.28 : 65,981.12 = 14,403.44 : x
  2. Step 2: Convert to fraction form
    43,983.28/65,981.12 = 14,403.44/x
  3. Step 3: Cross multiply
    43,983.28x = 65,981.12 × 14,403.44
  4. Step 4: Simplify right side
    43,983.28x = 950,355,103.05
  5. Step 5: Solve for x
    x = 950,355,103.05/43,983.28
  6. Step 6: Final answer
    x = 21,607.19

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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.