Home / 43,685.25-65,527.94-18,723.34

Finding the Fourth Proportional to 43,685.25, 65,527.94 and 18,723.34

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Solution

The fourth proportional to 43,685.25, 65,527.94 and 18,723.34 is: 28,085.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,685.25 : 65,527.94 = 18,723.34 : x
  2. Step 2: Convert to fraction form
    43,685.25/65,527.94 = 18,723.34/x
  3. Step 3: Cross multiply
    43,685.25x = 65,527.94 × 18,723.34
  4. Step 4: Simplify right side
    43,685.25x = 1,226,902,040.54
  5. Step 5: Solve for x
    x = 1,226,902,040.54/43,685.25
  6. Step 6: Final answer
    x = 28,085.04

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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.