Home / 43,658.20-65,322.42-26,731

Finding the Fourth Proportional to 43,658.20, 65,322.42 and 26,731

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Solution

The fourth proportional to 43,658.20, 65,322.42 and 26,731 is: 39,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,658.20 : 65,322.42 = 26,731 : x
  2. Step 2: Convert to fraction form
    43,658.20/65,322.42 = 26,731/x
  3. Step 3: Cross multiply
    43,658.20x = 65,322.42 × 26,731
  4. Step 4: Simplify right side
    43,658.20x = 1,746,133,609.02
  5. Step 5: Solve for x
    x = 1,746,133,609.02/43,658.20
  6. Step 6: Final answer
    x = 39,995.55

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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.