Home / 43,906.55-65,812.59-18,958.35

Finding the Fourth Proportional to 43,906.55, 65,812.59 and 18,958.35

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Solution

The fourth proportional to 43,906.55, 65,812.59 and 18,958.35 is: 28,417.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,906.55 : 65,812.59 = 18,958.35 : x
  2. Step 2: Convert to fraction form
    43,906.55/65,812.59 = 18,958.35/x
  3. Step 3: Cross multiply
    43,906.55x = 65,812.59 × 18,958.35
  4. Step 4: Simplify right side
    43,906.55x = 1,247,697,998.49
  5. Step 5: Solve for x
    x = 1,247,697,998.49/43,906.55
  6. Step 6: Final answer
    x = 28,417.13

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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.