Home / 43,756.36-65,637.42-12,591.88

Finding the Fourth Proportional to 43,756.36, 65,637.42 and 12,591.88

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Solution

The fourth proportional to 43,756.36, 65,637.42 and 12,591.88 is: 18,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,756.36 : 65,637.42 = 12,591.88 : x
  2. Step 2: Convert to fraction form
    43,756.36/65,637.42 = 12,591.88/x
  3. Step 3: Cross multiply
    43,756.36x = 65,637.42 × 12,591.88
  4. Step 4: Simplify right side
    43,756.36x = 826,498,516.15
  5. Step 5: Solve for x
    x = 826,498,516.15/43,756.36
  6. Step 6: Final answer
    x = 18,888.65

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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.