Home / 43,913.75-65,881.11-14,331.64

Finding the Fourth Proportional to 43,913.75, 65,881.11 and 14,331.64

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Solution

The fourth proportional to 43,913.75, 65,881.11 and 14,331.64 is: 21,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,913.75 : 65,881.11 = 14,331.64 : x
  2. Step 2: Convert to fraction form
    43,913.75/65,881.11 = 14,331.64/x
  3. Step 3: Cross multiply
    43,913.75x = 65,881.11 × 14,331.64
  4. Step 4: Simplify right side
    43,913.75x = 944,184,351.32
  5. Step 5: Solve for x
    x = 944,184,351.32/43,913.75
  6. Step 6: Final answer
    x = 21,500.88

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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.